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Blankestijn JM, Abdel-Aziz MI, Baalbaki N, Bazdar S, Beekers I, Beijers RJHCG, Bloemsma LD, Cornelissen MEB, Gach D, Houweling L, Holverda S, Jacobs JJL, Jonker R, van der Lee I, Linders PMA, Mohamed Hoesein FAA, Noij LCE, Nossent EJ, van de Pol MA, Schaminee DW, Schols AMWJ, Schuurman LT, Sondermeijer B, Geelhoed JJM, van den Bergh JP, Weersink EJM, de Wit-van Wijck Y, Maitland-van der Zee AH. Long COVID exhibits clinically distinct phenotypes at 3-6 months post-SARS-CoV-2 infection: results from the P4O2 consortium. BMJ Open Respir Res 2024; 11:e001907. [PMID: 38663887 PMCID: PMC11043734 DOI: 10.1136/bmjresp-2023-001907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 04/05/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Four months after SARS-CoV-2 infection, 22%-50% of COVID-19 patients still experience complaints. Long COVID is a heterogeneous disease and finding subtypes could aid in optimising and developing treatment for the individual patient. METHODS Data were collected from 95 patients in the P4O2 COVID-19 cohort at 3-6 months after infection. Unsupervised hierarchical clustering was performed on patient characteristics, characteristics from acute SARS-CoV-2 infection, long COVID symptom data, lung function and questionnaires describing the impact and severity of long COVID. To assess robustness, partitioning around medoids was used as alternative clustering. RESULTS Three distinct clusters of patients with long COVID were revealed. Cluster 1 (44%) represented predominantly female patients (93%) with pre-existing asthma and suffered from a median of four symptom categories, including fatigue and respiratory and neurological symptoms. They showed a milder SARS-CoV-2 infection. Cluster 2 (38%) consisted of predominantly male patients (83%) with cardiovascular disease (CVD) and suffered from a median of three symptom categories, most commonly respiratory and neurological symptoms. This cluster also showed a significantly lower forced expiratory volume within 1 s and diffusion capacity of the lung for carbon monoxide. Cluster 3 (18%) was predominantly male (88%) with pre-existing CVD and diabetes. This cluster showed the mildest long COVID, and suffered from symptoms in a median of one symptom category. CONCLUSIONS Long COVID patients can be clustered into three distinct phenotypes based on their clinical presentation and easily obtainable information. These clusters show distinction in patient characteristics, lung function, long COVID severity and acute SARS-CoV-2 infection severity. This clustering can help in selecting the most beneficial monitoring and/or treatment strategies for patients suffering from long COVID. Follow-up research is needed to reveal the underlying molecular mechanisms implicated in the different phenotypes and determine the efficacy of treatment.
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Affiliation(s)
- Jelle M Blankestijn
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Mahmoud I Abdel-Aziz
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
- Department of Clinical Pharmacy, Assiut University Faculty of Pharmacy, Assiut, Egypt
| | - Nadia Baalbaki
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Somayeh Bazdar
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Inés Beekers
- ORTEC, Zoetermeer, Zuid-Holland, The Netherlands
| | - Rosanne J H C G Beijers
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
- Universiteit Maastricht School of Nutrition and Translational Research in Metabolism, Maastricht, The Netherlands
| | - Lizan D Bloemsma
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Merel E B Cornelissen
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Debbie Gach
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
- Universiteit Maastricht School of Nutrition and Translational Research in Metabolism, Maastricht, The Netherlands
| | - Laura Houweling
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
- Department of Environmental Epidemiology, Utrecht University Institute for Risk Assessment Sciences, Utrecht, The Netherlands
| | | | | | - Reneé Jonker
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Ivo van der Lee
- Department of Pulmonology, Spaarne Gasthuis, Haarlem, The Netherlands
| | - Paulien M A Linders
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | | | - Lieke C E Noij
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Esther J Nossent
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Marianne A van de Pol
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Daphne W Schaminee
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Annemie M W J Schols
- Universiteit Maastricht School of Nutrition and Translational Research in Metabolism, Maastricht, The Netherlands
- Department of Respiratory Medicine, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Lisanne T Schuurman
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
- Universiteit Maastricht School of Nutrition and Translational Research in Metabolism, Maastricht, The Netherlands
| | | | - J J Miranda Geelhoed
- Department of Respiratory Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Joop P van den Bergh
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
- Department of Internal Medicine, VieCuri Medical Centre, Venlo, The Netherlands
| | - Els J M Weersink
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | | | - Anke H Maitland-van der Zee
- Department of Respiratory Medicine, Amsterdam UMC, Amsterdam, The Netherlands
- Department of Pediatric Respiratory Medicine, Emma Childrens' Hospital UMC, Amsterdam, The Netherlands
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Cornelissen MEB, Bloemsma LD, Vaes AW, Baalbaki N, Deng Q, Beijers RJHCG, Noij LCE, Houweling L, Bazdar S, Spruit MA, Maitland-van der Zee AH. Fatigue and symptom-based clusters in post COVID-19 patients: a multicentre, prospective, observational cohort study. J Transl Med 2024; 22:191. [PMID: 38383493 PMCID: PMC10880228 DOI: 10.1186/s12967-024-04979-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Accepted: 02/11/2024] [Indexed: 02/23/2024] Open
Abstract
BACKGROUND In the Netherlands, the prevalence of post COVID-19 condition is estimated at 12.7% at 90-150 days after SARS-CoV-2 infection. This study aimed to determine the occurrence of fatigue and other symptoms, to assess how many patients meet the Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) criteria, to identify symptom-based clusters within the P4O2 COVID-19 cohort and to compare these clusters with clusters in a ME/CFS cohort. METHODS In this multicentre, prospective, observational cohort in the Netherlands, 95 post COVID-19 patients aged 40-65 years were included. Data collection at 3-6 months after infection included demographics, medical history, questionnaires, and a medical examination. Follow-up assessments occurred 9-12 months later, where the same data were collected. Fatigue was determined with the Fatigue Severity Scale (FSS), a score of ≥ 4 means moderate to high fatigue. The frequency and severity of other symptoms and the percentage of patients that meet the ME/CFS criteria were assessed using the DePaul Symptom Questionnaire-2 (DSQ-2). A self-organizing map was used to visualize the clustering of patients based on severity and frequency of 79 symptoms. In a previous study, 337 Dutch ME/CFS patients were clustered based on their symptom scores. The symptom scores of post COVID-19 patients were applied to these clusters to examine whether the same or different clusters were found. RESULTS According to the FSS, fatigue was reported by 75.9% of the patients at 3-6 months after infection and by 57.1% of the patients 9-12 months later. Post-exertional malaise, sleep disturbances, pain, and neurocognitive symptoms were also frequently reported, according to the DSQ-2. Over half of the patients (52.7%) met the Fukuda criteria for ME/CFS, while fewer patients met other ME/CFS definitions. Clustering revealed specific symptom patterns and showed that post COVID-19 patients occurred in 11 of the clusters that have been observed in the ME/CFS cohort, where 2 clusters had > 10 patients. CONCLUSIONS This study shows persistent fatigue and diverse symptomatology in post COVID-19 patients, up to 12-18 months after SARS-CoV-2 infection. Clustering showed that post COVID-19 patients occurred in 11 of the clusters that have been observed in the ME/CFS cohort.
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Affiliation(s)
- Merel E B Cornelissen
- Department of Pulmonary Medicine, Amsterdam UMC, Amsterdam, The Netherlands.
- Amsterdam Institute for Infection and Immunity, Amsterdam UMC, Amsterdam, The Netherlands.
- Amsterdam Public Health Research Institute, Amsterdam UMC, Amsterdam, The Netherlands.
| | - Lizan D Bloemsma
- Department of Pulmonary Medicine, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Public Health Research Institute, Amsterdam UMC, Amsterdam, The Netherlands
| | - Anouk W Vaes
- Department of Research and Development, Ciro, Horn, The Netherlands
| | - Nadia Baalbaki
- Department of Pulmonary Medicine, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Public Health Research Institute, Amsterdam UMC, Amsterdam, The Netherlands
| | - Qichen Deng
- Department of Research and Development, Ciro, Horn, The Netherlands
- Department of Respiratory Medicine, Nutrim Institute of Nutrition and Translational Research in Metabolism, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
| | - Rosanne J H C G Beijers
- Department of Respiratory Medicine, Nutrim Institute of Nutrition and Translational Research in Metabolism, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
| | - Lieke C E Noij
- Department of Pulmonary Medicine, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Public Health Research Institute, Amsterdam UMC, Amsterdam, The Netherlands
| | - Laura Houweling
- Department of Pulmonary Medicine, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Public Health Research Institute, Amsterdam UMC, Amsterdam, The Netherlands
- Department of Environmental Epidemiology, Institute for Risk Assessment Sciences (IRAS), Utrecht University, Utrecht, The Netherlands
| | - Somayeh Bazdar
- Department of Pulmonary Medicine, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Public Health Research Institute, Amsterdam UMC, Amsterdam, The Netherlands
| | - Martijn A Spruit
- Department of Research and Development, Ciro, Horn, The Netherlands
- Department of Respiratory Medicine, Nutrim Institute of Nutrition and Translational Research in Metabolism, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
| | - Anke H Maitland-van der Zee
- Department of Pulmonary Medicine, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Public Health Research Institute, Amsterdam UMC, Amsterdam, The Netherlands
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3
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Holtjer JCS, Bloemsma LD, Beijers RJHCG, Cornelissen MEB, Hilvering B, Houweling L, Vermeulen RCH, Downward GS, Maitland-Van der Zee AH. Identifying risk factors for COPD and adult-onset asthma: an umbrella review. Eur Respir Rev 2023; 32:32/168/230009. [PMID: 37137510 PMCID: PMC10155046 DOI: 10.1183/16000617.0009-2023] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 02/27/2023] [Indexed: 05/05/2023] Open
Abstract
BACKGROUND COPD and adult-onset asthma (AOA) are the most common noncommunicable respiratory diseases. To improve early identification and prevention, an overview of risk factors is needed. We therefore aimed to systematically summarise the nongenetic (exposome) risk factors for AOA and COPD. Additionally, we aimed to compare the risk factors for COPD and AOA. METHODS In this umbrella review, we searched PubMed for articles from inception until 1 February 2023 and screened the references of relevant articles. We included systematic reviews and meta-analyses of observational epidemiological studies in humans that assessed a minimum of one lifestyle or environmental risk factor for AOA or COPD. RESULTS In total, 75 reviews were included, of which 45 focused on risk factors for COPD, 28 on AOA and two examined both. For asthma, 43 different risk factors were identified while 45 were identified for COPD. For AOA, smoking, a high body mass index (BMI), wood dust exposure and residential chemical exposures, such as formaldehyde exposure or exposure to volatile organic compounds, were amongst the risk factors found. For COPD, smoking, ambient air pollution including nitrogen dioxide, a low BMI, indoor biomass burning, childhood asthma, occupational dust exposure and diet were amongst the risk factors found. CONCLUSIONS Many different factors for COPD and asthma have been found, highlighting the differences and similarities. The results of this systematic review can be used to target and identify people at high risk for COPD or AOA.
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Affiliation(s)
- Judith C S Holtjer
- Department of Environmental Epidemiology, Institute for Risk Assessment Sciences (IRAS), Utrecht University, Utrecht, The Netherlands
| | - Lizan D Bloemsma
- Department of Pulmonary Medicine, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, The Netherlands
- Amsterdam Public Health, Amsterdam, The Netherlands
| | - Rosanne J H C G Beijers
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Merel E B Cornelissen
- Department of Pulmonary Medicine, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, The Netherlands
- Amsterdam Public Health, Amsterdam, The Netherlands
| | - Bart Hilvering
- Department of Pulmonary Medicine, Amsterdam UMC, Amsterdam, The Netherlands
| | - Laura Houweling
- Department of Environmental Epidemiology, Institute for Risk Assessment Sciences (IRAS), Utrecht University, Utrecht, The Netherlands
- Department of Pulmonary Medicine, Amsterdam UMC, Amsterdam, The Netherlands
| | - Roel C H Vermeulen
- Department of Environmental Epidemiology, Institute for Risk Assessment Sciences (IRAS), Utrecht University, Utrecht, The Netherlands
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | - George S Downward
- Department of Environmental Epidemiology, Institute for Risk Assessment Sciences (IRAS), Utrecht University, Utrecht, The Netherlands
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Anke-Hilse Maitland-Van der Zee
- Department of Pulmonary Medicine, Amsterdam UMC, Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, The Netherlands
- Amsterdam Public Health, Amsterdam, The Netherlands
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4
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Baalbaki N, Blankestijn JM, Abdel-Aziz MI, de Backer J, Bazdar S, Beekers I, Beijers RJHCG, van den Bergh JP, Bloemsma LD, Bogaard HJ, van Bragt JJMH, van den Brink V, Charbonnier JP, Cornelissen MEB, Dagelet Y, Davies EH, van der Does AM, Downward GS, van Drunen CM, Gach D, Geelhoed JJM, Glastra J, Golebski K, Heijink IH, Holtjer JCS, Holverda S, Houweling L, Jacobs JJL, Jonker R, Kos R, Langen RCJ, van der Lee I, Leliveld A, Mohamed Hoesein FAA, Neerincx AH, Noij L, Olsson J, van de Pol M, Pouwels SD, Rolink E, Rutgers M, Șahin H, Schaminee D, Schols AMWJ, Schuurman L, Slingers G, Smeenk O, Sondermeijer B, Skipp PJ, Tamarit M, Verkouter I, Vermeulen R, de Vries R, Weersink EJM, van de Werken M, de Wit-van Wijck Y, Young S, Nossent EJ, Maitland-van der Zee AH. Precision Medicine for More Oxygen (P4O2)-Study Design and First Results of the Long COVID-19 Extension. J Pers Med 2023; 13:1060. [PMID: 37511673 PMCID: PMC10381397 DOI: 10.3390/jpm13071060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/13/2023] [Accepted: 06/15/2023] [Indexed: 07/30/2023] Open
Abstract
Introduction: The coronavirus disease 2019 (COVID-19) pandemic has led to the death of almost 7 million people, however, with a cumulative incidence of 0.76 billion, most people survive COVID-19. Several studies indicate that the acute phase of COVID-19 may be followed by persistent symptoms including fatigue, dyspnea, headache, musculoskeletal symptoms, and pulmonary functional-and radiological abnormalities. However, the impact of COVID-19 on long-term health outcomes remains to be elucidated. Aims: The Precision Medicine for more Oxygen (P4O2) consortium COVID-19 extension aims to identify long COVID patients that are at risk for developing chronic lung disease and furthermore, to identify treatable traits and innovative personalized therapeutic strategies for prevention and treatment. This study aims to describe the study design and first results of the P4O2 COVID-19 cohort. Methods: The P4O2 COVID-19 study is a prospective multicenter cohort study that includes nested personalized counseling intervention trial. Patients, aged 40-65 years, were recruited from outpatient post-COVID clinics from five hospitals in The Netherlands. During study visits at 3-6 and 12-18 months post-COVID-19, data from medical records, pulmonary function tests, chest computed tomography scans and biological samples were collected and questionnaires were administered. Furthermore, exposome data was collected at the patient's home and state-of-the-art imaging techniques as well as multi-omics analyses will be performed on collected data. Results: 95 long COVID patients were enrolled between May 2021 and September 2022. The current study showed persistence of clinical symptoms and signs of pulmonary function test/radiological abnormalities in post-COVID patients at 3-6 months post-COVID. The most commonly reported symptoms included respiratory symptoms (78.9%), neurological symptoms (68.4%) and fatigue (67.4%). Female sex and infection with the Delta, compared with the Beta, SARS-CoV-2 variant were significantly associated with more persisting symptom categories. Conclusions: The P4O2 COVID-19 study contributes to our understanding of the long-term health impacts of COVID-19. Furthermore, P4O2 COVID-19 can lead to the identification of different phenotypes of long COVID patients, for example those that are at risk for developing chronic lung disease. Understanding the mechanisms behind the different phenotypes and identifying these patients at an early stage can help to develop and optimize prevention and treatment strategies.
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Affiliation(s)
- Nadia Baalbaki
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Public Health, 1105 AZ Amsterdam, The Netherlands
| | - Jelle M Blankestijn
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Public Health, 1105 AZ Amsterdam, The Netherlands
| | - Mahmoud I Abdel-Aziz
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Public Health, 1105 AZ Amsterdam, The Netherlands
- Department of Clinical Pharmacy, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | | | - Somayeh Bazdar
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Public Health, 1105 AZ Amsterdam, The Netherlands
| | - Inés Beekers
- ORTEC BV, Department of Health, Houtsingel 5, 2719 EA Zoetermeer, The Netherlands
| | - Rosanne J H C G Beijers
- Department of Respiratory Medicine, Maastricht University Medical Centre, 6229 HX Maastricht, The Netherlands
- NUTRIM School of Nutrition and Translational Research in Metabolism, 6200 MD Maastricht, The Netherlands
| | - Joop P van den Bergh
- Department of Internal Medicine, Maastricht University Medical Centre, 6229 HX Maastricht, The Netherlands
- Department of Internal Medicine, VieCuri Medical Center, 5912 BL Venlo, The Netherlands
| | - Lizan D Bloemsma
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Public Health, 1105 AZ Amsterdam, The Netherlands
| | - Harm Jan Bogaard
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
| | - Job J M H van Bragt
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Public Health, 1105 AZ Amsterdam, The Netherlands
| | - Vera van den Brink
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
| | | | - Merel E B Cornelissen
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Public Health, 1105 AZ Amsterdam, The Netherlands
| | - Yennece Dagelet
- Breathomix B.V., Bargelaan 200, 2333 CW Leiden, The Netherlands
| | - Elin Haf Davies
- Aparito Netherlands B.V., Galileiweg 8, BioPartner 3 Building, 2333 BD Leiden, The Netherlands
| | - Anne M van der Does
- Department of Pulmonology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - George S Downward
- Department of Environmental Epidemiology, Institute for Risk Assessment Sciences (IRAS), Utrecht University, 3584 CL Utrecht, The Netherlands
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, 3584 CG Utrecht, The Netherlands
| | - Cornelis M van Drunen
- Department of Otorhinolaryngology, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
| | - Debbie Gach
- Department of Respiratory Medicine, Maastricht University Medical Centre, 6229 HX Maastricht, The Netherlands
- NUTRIM School of Nutrition and Translational Research in Metabolism, 6200 MD Maastricht, The Netherlands
| | - J J Miranda Geelhoed
- Department of Pulmonology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Jorrit Glastra
- Quantib-U, Westblaak 106, 3012 KM Rotterdam, The Netherlands
| | - Kornel Golebski
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
- Department of Otorhinolaryngology, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
| | - Irene H Heijink
- Department of Pulmonology, University Medical Center Groningen, 9700 RB Groningen, The Netherlands
- Department Pathology & Medical Biology, University Medical Center Groningen, 9700 RB Groningen, The Netherlands
| | - Judith C S Holtjer
- Department of Environmental Epidemiology, Institute for Risk Assessment Sciences (IRAS), Utrecht University, 3584 CL Utrecht, The Netherlands
| | | | - Laura Houweling
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
- Department of Environmental Epidemiology, Institute for Risk Assessment Sciences (IRAS), Utrecht University, 3584 CL Utrecht, The Netherlands
| | - John J L Jacobs
- ORTEC BV, Department of Health, Houtsingel 5, 2719 EA Zoetermeer, The Netherlands
| | - Renée Jonker
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
| | - Renate Kos
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Public Health, 1105 AZ Amsterdam, The Netherlands
| | - Ramon C J Langen
- Department of Respiratory Medicine, Maastricht University Medical Centre, 6229 HX Maastricht, The Netherlands
| | - Ivo van der Lee
- Department of Pulmonology, Spaarne Hospital, 2134 TM Hoofddorp, The Netherlands
| | - Asabi Leliveld
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
| | - Firdaus A A Mohamed Hoesein
- Department of Radiology, University Medical Center Utrecht and Utrecht University, 3508 GA Utrecht, The Netherlands
| | - Anne H Neerincx
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Public Health, 1105 AZ Amsterdam, The Netherlands
| | - Lieke Noij
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Public Health, 1105 AZ Amsterdam, The Netherlands
| | - Johan Olsson
- Smartfish AS, Oslo Science Park, Gaustadalléen 21, 0349 Oslo, Norway
| | - Marianne van de Pol
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
| | - Simon D Pouwels
- Department of Pulmonology, University Medical Center Groningen, 9700 RB Groningen, The Netherlands
- Department Pathology & Medical Biology, University Medical Center Groningen, 9700 RB Groningen, The Netherlands
| | - Emiel Rolink
- Long Alliantie Nederland, Address Stationsplein 125, 3818 LE Amersfoort, The Netherlands
| | - Michael Rutgers
- Longfonds, Stationsplein 125, 3818 LE Amersfoort, The Netherlands
| | - Havva Șahin
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
| | - Daphne Schaminee
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
| | - Annemie M W J Schols
- Department of Respiratory Medicine, Maastricht University Medical Centre, 6229 HX Maastricht, The Netherlands
- NUTRIM School of Nutrition and Translational Research in Metabolism, 6200 MD Maastricht, The Netherlands
| | - Lisanne Schuurman
- Department of Respiratory Medicine, Maastricht University Medical Centre, 6229 HX Maastricht, The Netherlands
- NUTRIM School of Nutrition and Translational Research in Metabolism, 6200 MD Maastricht, The Netherlands
| | - Gitte Slingers
- Breathomix B.V., Bargelaan 200, 2333 CW Leiden, The Netherlands
| | - Olie Smeenk
- Sodaq, Bussumerstraat 34, 1211 BL Hilversum, The Netherlands
| | | | - Paul J Skipp
- TopMD Precision Medicine Ltdincorporated, Southhampton SO45 3PN, UK
| | - Marisca Tamarit
- Breathomix B.V., Bargelaan 200, 2333 CW Leiden, The Netherlands
| | - Inge Verkouter
- ORTEC BV, Department of Health, Houtsingel 5, 2719 EA Zoetermeer, The Netherlands
| | - Roel Vermeulen
- Department of Environmental Epidemiology, Institute for Risk Assessment Sciences (IRAS), Utrecht University, 3584 CL Utrecht, The Netherlands
| | - Rianne de Vries
- Breathomix B.V., Bargelaan 200, 2333 CW Leiden, The Netherlands
| | - Els J M Weersink
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
| | - Marco van de Werken
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
| | - Yolanda de Wit-van Wijck
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Public Health, 1105 AZ Amsterdam, The Netherlands
| | - Stewart Young
- Philips GmbH Innovative Technologies, 4646 AG Eindhoven, The Netherlands
| | - Esther J Nossent
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
| | - Anke H Maitland-van der Zee
- Department of Pulmonary Medicine, Amsterdam UMC, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Public Health, 1105 AZ Amsterdam, The Netherlands
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