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Queiroga F, Epstein J, Erpelding ML, Spitz E, Maillefert JF, Fautrel B, Callahan LF, Hunter DJ, Guillemin F. The Flare-OA-16 questionnaire measuring flare in knee and hip osteoarthritis in the patient perspective: scale reduction and validation using a Rasch model. J Clin Epidemiol 2024; 174:111488. [PMID: 39089423 DOI: 10.1016/j.jclinepi.2024.111488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 07/24/2024] [Accepted: 07/25/2024] [Indexed: 08/04/2024]
Abstract
OBJECTIVES The recent Flare-OA questionnaire measuring flare in knee and hip osteoarthritis (OA) (19 items in 5 domains, numerical rating scale) showed good psychometric properties along with classical test theory. This study aimed to determine its scaling properties by Rasch analysis and to present evidence for a refined scalable version. STUDY DESIGN AND SETTING The participants were 398 subjects (mean age 64 years [standard deviation = 8.1], 70.4% women) recruited from Australia, France, and the United States, with clinically and radiologically symptomatic knee or hip OA, who completed an online survey. The sample was split into derivation and validation subsamples, stratified by country and joint. Rasch analysis examined differential item functioning (DIF) for sex, age, country, and joint. A confirmatory factor analysis and an analysis of convergent validity were performed to document the psychometric properties of the short version. RESULTS To fit the Rasch model, we reordered thresholds of answering modalities when necessary. Two items were removed. A local dependency between 2 items was solved by combining items modalities into a super-item. A uniform DIF (expected and nonremoved) was identified for one item that was split by joint, and a nonuniform DIF for one item for age and country (removed). The person-item threshold distribution showed a well-focused scale; the confirmatory factor analysis and the analysis of convergent validity showed good fit indicators for the short version. CONCLUSION The Rasch analysis was helpful in guiding the decision to refine the measurement instrument. After analysis, the 16-item Flare-OA self-report questionnaire is available for use in clinical research.
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Affiliation(s)
- Fabiana Queiroga
- CIC Clinical epidemiology, CHRU Nancy, Inserm, Université de Lorraine, Nancy, France
| | - Jonathan Epstein
- CIC Clinical epidemiology, CHRU Nancy, Inserm, Université de Lorraine, Nancy, France; Inserm, CHRU Nancy, Université de Lorraine, Clinical Epidemiology, Nancy, France.
| | - Marie-Line Erpelding
- CIC Clinical epidemiology, CHRU Nancy, Inserm, Université de Lorraine, Nancy, France; Inserm, CHRU Nancy, Université de Lorraine, Clinical Epidemiology, Nancy, France
| | - Elisabeth Spitz
- CIC Clinical epidemiology, CHRU Nancy, Inserm, Université de Lorraine, Nancy, France
| | | | - Bruno Fautrel
- Sorbonne Université - Assistance Publique Hôpitaux de Paris, Rheumatology Dept, Pitié-Salpêtrière Hospital, Paris, France; Inserm, Institut Pierre Louis d'Epidémiologie et Santé Publique, Paris, France
| | - Leigh F Callahan
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA
| | - David J Hunter
- Rheumatology Department, Sydney Musculoskeletal Health, Kolling Institute, and Royal North Shore Hospital, University of Sydney, Sydney, Australia
| | - Francis Guillemin
- CIC Clinical epidemiology, CHRU Nancy, Inserm, Université de Lorraine, Nancy, France; Inserm, CHRU Nancy, Université de Lorraine, Clinical Epidemiology, Nancy, France
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Flygel TT, Hameiri-Bowen D, Simms V, Rowland-Jones S, Ferrand RA, Bandason T, Yindom LM, Odland JØ, Cavanagh JP, Flaegstad T, Sovershaeva E. Exhaled nitric oxide is associated with inflammatory biomarkers and risk of acute respiratory exacerbations in children with HIV-associated chronic lung disease. HIV Med 2024; 25:223-232. [PMID: 37804064 DOI: 10.1111/hiv.13565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 09/26/2023] [Indexed: 10/08/2023]
Abstract
OBJECTIVES Chronic lung disease is a recognized complication in children with HIV. Acute respiratory exacerbations (ARE) are common among this group and cause significant morbidity. Exhaled nitric oxide (eNO) is a known marker of local airway inflammation. We investigated the association between eNO and ARE, biomarkers of systemic inflammation, and the effect of azithromycin on eNO levels. METHODS Individuals aged 6-19 years with HIV-associated chronic lung disease in Harare, Zimbabwe, were enrolled in a placebo-controlled randomized trial investigating the effect of 48-week azithromycin treatment on lung function and ARE. eNO levels and biomarkers were measured at inclusion and after treatment in a consecutively enrolled subset of participants. Linear regression and generalized linear models were used to study associations between eNO and ARE, biomarkers, and the effect of azithromycin on eNO levels. RESULTS In total, 172 participants were included in this sub-study, 86 from the placebo group and 86 from the azithromycin group. Participants experiencing at least one ARE during follow-up had significantly higher eNO levels at baseline than participants who did not (geometric mean ratio 1.13, 95% confidence interval [CI] 1.03-1.24, p = 0.015), adjusted for trial arm, age, sex and history of tuberculosis. Matrix metalloproteinase (MMP)-3, -7, and -10 were significantly associated with higher baseline eNO levels. At 48 weeks, azithromycin treatment did not affect eNO levels (geometric mean ratio 0.86, 95% CI 0.72-1.03, p = 0.103). CONCLUSION Higher baseline eNO levels were a risk factor for ARE. eNO was associated with proinflammatory biomarkers previously found to contribute to the development of chronic lung disease. The potential use of eNO as a marker of inflammation and risk factor for ARE in HIV-associated chronic lung disease needs further investigation.
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Affiliation(s)
- Trym Thune Flygel
- Paediatric Research Group, Department of Clinical Medicine, Faculty of Health sciences, UiT - The Arctic University of Norway, Tromsø, Norway
- Department of Paediatrics, University Hospital of North Norway, Tromsø, Norway
| | | | - Victoria Simms
- Department of Infectious Disease Epidemiology, Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK
| | | | - Rashida Abbas Ferrand
- Department of Clinical Research, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK
- Biomedical Research and Training Institute, Harare, Zimbabwe
| | - Tsitsi Bandason
- Biomedical Research and Training Institute, Harare, Zimbabwe
| | | | - Jon Øyvind Odland
- Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, NTNU The Norwegian University of Science and Technology, Trondheim, Norway
- School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - Jorunn Pauline Cavanagh
- Paediatric Research Group, Department of Clinical Medicine, Faculty of Health sciences, UiT - The Arctic University of Norway, Tromsø, Norway
- Department of Paediatrics, University Hospital of North Norway, Tromsø, Norway
| | - Trond Flaegstad
- Paediatric Research Group, Department of Clinical Medicine, Faculty of Health sciences, UiT - The Arctic University of Norway, Tromsø, Norway
- Department of Paediatrics, University Hospital of North Norway, Tromsø, Norway
| | - Evgeniya Sovershaeva
- Department of Paediatrics, University Hospital of North Norway, Tromsø, Norway
- Department of Microbiology and Infection Control, Akershus University Hospital, Nordbyhagen, Norway
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Ko FWS, Chan KP, Ng JKC, Ngai JCL, Yip WH, Lo RLP, Chan TO, Hui DSC. 1-Year Prospective Study of the Relationship of Serial Exhaled Nitric Oxide Level and Asthma Control. J Asthma Allergy 2023; 16:725-734. [PMID: 37469451 PMCID: PMC10353557 DOI: 10.2147/jaa.s417117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 06/30/2023] [Indexed: 07/21/2023] Open
Abstract
Background and Objective Previous studies found that the fractional nitric oxide concentration in exhaled breath (FeNO) levels in healthy Chinese adults was higher than in White adults. More understanding of serial changes of FeNO levels with asthma control in a real-life clinical setting would be important to explore the utility of this biomarker in routine asthma management. This study assessed the FeNO levels of Chinese asthma subjects with different levels of asthma control and the serial changes with respect to the changes in asthma control over 1 year. Methods A 12-month prospective study (subjects recruited between November 2019 and January 2021) with serial measurement of FeNO levels at baseline, 4, 8 and 12 months. Asthma control was assessed by the Global Initiative for Asthma classification, Asthma Control Test (ACT) and Asthma Control Questionnaire (ACQ). Results Altogether, 136 subjects (mean age 51.51±15.09 years, 46[33.8%] male) had successful baseline FeNO measurements. At baseline, the FeNO levels did not show a statistically significant difference for controlled, partly controlled and uncontrolled asthma according to GINA classification, ACT and ACQ. FeNO levels decreased with improving asthma control and stayed at similar levels with unchanged or worsening asthma control for all subjects. For subjects with baseline blood eosinophil levels ≥300 cells/µL(n=59), FeNO levels decreased with improving asthma control, stayed similar without change for asthma control and increased with worsening asthma control. Receiver operating characteristic (ROC) analysis with the highest area under curve (AUC) for changes in FeNO levels for improving asthma control was between ≤ -10 to -25 ppb at various time points in the 12-month study. Conclusion Changes in FeNO levels over time were associated with changes in clinical asthma control, particularly in those with higher blood eosinophil count and are likely more useful than a single time point measurement in managing asthma.
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Affiliation(s)
- Fanny Wai San Ko
- Department of Medicine and Therapeutics, the Chinese University of Hong Kong, Hong Kong, People’s Republic of China
| | - Ka Pang Chan
- Department of Medicine and Therapeutics, the Chinese University of Hong Kong, Hong Kong, People’s Republic of China
| | - Joyce Ka Ching Ng
- Department of Medicine and Therapeutics, the Chinese University of Hong Kong, Hong Kong, People’s Republic of China
| | - Jenny C L Ngai
- Department of Medicine and Therapeutics, the Chinese University of Hong Kong, Hong Kong, People’s Republic of China
| | - Wing Ho Yip
- Department of Medicine and Therapeutics, the Chinese University of Hong Kong, Hong Kong, People’s Republic of China
| | - Rachel Lai Ping Lo
- Department of Medicine and Therapeutics, the Chinese University of Hong Kong, Hong Kong, People’s Republic of China
| | - Tat On Chan
- The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, People’s Republic of China
| | - David Shu Cheong Hui
- Department of Medicine and Therapeutics, the Chinese University of Hong Kong, Hong Kong, People’s Republic of China
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Suzuki M, Makita H, Konno S, Nishimura M. Clinical characteristics and natural course of chronic obstructive pulmonary disease and/or asthma in Japanese patients: a summary report of two Hokkaido-based cohort studies. Respir Investig 2023; 61:527-539. [PMID: 37300900 DOI: 10.1016/j.resinv.2023.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 04/16/2023] [Accepted: 05/01/2023] [Indexed: 06/12/2023]
Abstract
Chronic obstructive pulmonary disease (COPD) and asthma are the most common chronic airway diseases and are characterized by chronic airway inflammation and airflow limitation. Japanese patients with COPD or asthma have characteristics different from those of Westerners. Therefore, understanding the characteristics and clinical course of Japanese patients with COPD and those with asthma, particularly severe asthma, is critical for their management and appropriate treatment. The Hokkaido COPD cohort and Hokkaido-based Investigative Cohort Analysis for Refractory Asthma (Hi-CARAT) are high-quality cohort studies of COPD and asthma in the Japanese population and provide valuable data. This report summarizes the clinical findings from the two cohort studies and provides data for more appropriate management of Japanese patients with COPD and/or asthma. Overall, 279 patients with COPD were followed up for up to 10 years in the Hokkaido COPD cohort study, and 127 with severe asthma were followed up for up to 6 years in the Hi-CARAT study. Seventy-nine patients with mild-to-moderate asthma provided baseline data for the Hi-CARAT study. In each disease, several distinct factors, including systemic status and non-pulmonary factors, were associated with important clinical outcomes, such as lung function decline, exacerbations, impaired quality of life, and mortality. Therefore, multifaceted evaluation based on the characteristics of the Japanese population is necessary for the management of COPD and asthma.
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Affiliation(s)
- Masaru Suzuki
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Hironi Makita
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan; Hokkaido Medical Research Institute for Respiratory Diseases, Sapporo, Japan
| | - Satoshi Konno
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Masaharu Nishimura
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan; Hokkaido Medical Research Institute for Respiratory Diseases, Sapporo, Japan.
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Oguma A, Shimizu K, Kimura H, Tanabe N, Sato S, Yokota I, Takimoto-Sato M, Matsumoto-Sasaki M, Abe Y, Takei N, Goudarzi H, Suzuki M, Makita H, Hirai T, Nishimura M, Konno S. Differential role of mucus plugs in asthma: Effects of smoking and association with airway inflammation. Allergol Int 2022; 72:262-270. [PMID: 36402674 DOI: 10.1016/j.alit.2022.10.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 09/26/2022] [Accepted: 10/03/2022] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND The physiological importance of mucus plugs in computed tomography (CT) imaging is being increasingly recognized. However, whether airway inflammation and smoking affect the association between mucus plugs and clinical-physiological outcomes in asthma remains to be elucidated. The objective of this study is to examine how airway inflammation and/or smoking affect the correlation of CT-based mucus plug scores with exacerbation frequency and airflow limitation indices in asthma. METHODS A total of 168 patients with asthma who underwent chest CT and sputum evaluation were enrolled and classified in eosinophilic asthma (EA; n = 103) and non-eosinophilic asthma (NEA; n = 65) groups based on sputum eosinophil percentage (cut-off: 3%). The mucus plug score was defined as the number of lung segments with mucus plugs seen on CT. RESULTS More mucus plugs were detected on CT scans in the EA group than in the NEA group, regardless of smoking status. Mucus plug score and exacerbation frequency during one year after enrollment were significantly associated in the EA group but not in the NEA group after adjusting for demographics, blood eosinophil count, and fractional exhaled nitric oxide. Mucus plug score was associated with percentage of predicted forced expiratory volume in 1 s in non-smoking individuals in the EA and NEA group and in smoking individuals in the EA group but not in the NEA group after adjusting for demographics. CONCLUSIONS The association of mucus plug score with exacerbation frequency and reduced lung function may vary due to airway inflammatory profile and smoking status in asthma.
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Affiliation(s)
- Akira Oguma
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Kaoruko Shimizu
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan.
| | - Hirokazu Kimura
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Naoya Tanabe
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Susumu Sato
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Isao Yokota
- Department of Biostatistics, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Michiko Takimoto-Sato
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | | | - Yuki Abe
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Nozomu Takei
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Houman Goudarzi
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Masaru Suzuki
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Hironi Makita
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan; Hokkaido Medical Research Institute for Respiratory Diseases, Sapporo, Japan
| | - Toyohiro Hirai
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masaharu Nishimura
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan; Hokkaido Medical Research Institute for Respiratory Diseases, Sapporo, Japan
| | - Satoshi Konno
- Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan
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Matsumoto-Sasaki M, Suzuki M, Kimura H, Shimizu K, Makita H, Nishimura M, Konno S. Association of longitudinal changes in quality of life with comorbidities and exacerbations in patients with severe asthma. Allergol Int 2022; 71:481-489. [PMID: 35718710 DOI: 10.1016/j.alit.2022.05.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 04/15/2022] [Accepted: 05/16/2022] [Indexed: 11/01/2022] Open
Abstract
BACKGROUND Quality of life (QoL) assessment is important in the management of severe asthma, and comorbidities and/or exacerbations may affect longitudinal QoL. However, there are few reports on the longitudinal assessment of QoL in patients with asthma over multiple years and its related factors. This study aimed to clarify the relationship of longitudinal changes in QoL with comorbidities and/or exacerbations during a prolonged observation period in patients with severe asthma. METHODS A total of 105 subjects who participated in the Hokkaido-based Investigative Cohort Analysis for Refractory Asthma (Hi-CARAT) with a six-year follow-up were analyzed. QoL was assessed annually, using the Standardized Asthma Quality of Life Questionnaire, and the subjects were divided into three groups: (1) persistently good QoL, (2) persistently poor QoL, and (3) fluctuating QoL. Assessed comorbidities comprised depression, gastroesophageal reflux disease, and excessive daytime sleepiness (EDS), a key symptom of obstructive sleep apnea. RESULTS Of 105 subjects with severe asthma, 53 (50%) were classified in the persistently good QoL group, 10 (10%) in the persistently poor QoL group, and 42 (40%) in the fluctuating QoL group. The persistently poor QoL group was associated with shorter time to hospitalization due to exacerbation and the presence of multiple comorbidities. In addition, the presence of EDS was an independent contributor to the fluctuating QoL group compared to the persistently good QoL group. CONCLUSIONS The presence of multiple comorbidities and hospitalization due to exacerbation contribute to longitudinal changes in QoL in patients with severe asthma.
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Affiliation(s)
- Machiko Matsumoto-Sasaki
- Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Masaru Suzuki
- Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan.
| | - Hirokazu Kimura
- Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Kaoruko Shimizu
- Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Hironi Makita
- Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Masaharu Nishimura
- Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Satoshi Konno
- Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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Meteran H, Sivapalan P, Stæhr Jensen JU. Treatment Response Biomarkers in Asthma and COPD. Diagnostics (Basel) 2021; 11:1668. [PMID: 34574009 PMCID: PMC8464838 DOI: 10.3390/diagnostics11091668] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 09/06/2021] [Accepted: 09/10/2021] [Indexed: 12/12/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) and asthma are two of the most common chronic diseases worldwide. Both diseases are heterogenous and complex, and despite their similarities, they differ in terms of pathophysiological and immunological mechanisms. Mounting evidence supports the presence of several phenotypes with various responses to treatment. A systematic and thorough assessment concerning the diagnosis of both asthma and COPD is crucial to the clinical management of the disease. The identification of different biomarkers can facilitate targeted treatment and monitoring. Thanks to the presence of numerous immunological studies, our understanding of asthma phenotypes and mechanisms of disease has increased markedly in the last decade, and several treatments with monoclonal antibodies are available. There are compelling data that link eosinophilia with an increased risk of COPD exacerbations but a greater treatment response and lower all-cause mortality. Eosinophilia can be considered as a treatable trait, and the initiation of inhaled corticosteroid in COPD patients with eosinophilia is supported in many studies. In spite of advances in our understanding of both asthma and COPD in terms pathophysiology, disease mechanisms, biomarkers, and response to treatment, many uncertainties in the management of obstructive airways exist.
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Affiliation(s)
- Howraman Meteran
- Department of Internal Medicine, Respiratory Medicine Section, Copenhagen University Hospital—Herlev and Gentofte, 2900 Hellerup, Denmark; (P.S.); (J.-U.S.J.)
- Department of Microbiology and Immunology, University of Copenhagen, 1353 Copenhagen, Denmark
| | - Pradeesh Sivapalan
- Department of Internal Medicine, Respiratory Medicine Section, Copenhagen University Hospital—Herlev and Gentofte, 2900 Hellerup, Denmark; (P.S.); (J.-U.S.J.)
- Department of Internal Medicine, Zealand University Hospital, 4000 Roskilde, Denmark
| | - Jens-Ulrik Stæhr Jensen
- Department of Internal Medicine, Respiratory Medicine Section, Copenhagen University Hospital—Herlev and Gentofte, 2900 Hellerup, Denmark; (P.S.); (J.-U.S.J.)
- Department of Clinical Medicine, Faculty of Health Sciences, University of Copenhagen, 1353 Copenhagen, Denmark
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