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Makdoumi K, Ayoub L, Bryngelsson IL, Graff P, Wiebert P, Vihlborg P. The risk for ophthalmological conditions in ulcerative colitis: A population-based case-control study. Is silica dust-exposure associated with inflammatory eye disease? Acta Ophthalmol 2024; 102:828-835. [PMID: 38738471 DOI: 10.1111/aos.16708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 04/30/2024] [Indexed: 05/14/2024]
Abstract
PURPOSE To study the risk for eye diseases in individuals with Ulcerative Colitis (UC), and to assess whether silica dust-exposure could contribute to the development of inflammatory eye diseases. METHODS A case-control study was conducted using a patient register processed by the National Board of Health and Welfare (NBHW) and Statistics Sweden. Cases were diagnosed with UC between 2007 and 2016. Matching was done with two random controls having the same age, sex and county of residence, without a systemic inflammatory disease. Using a job-exposure matrix, cases and controls were assessed for work-related silica dust exposure. The risk for eye disease was estimated by Cox regression analysis with calculation of Hazard Ratio (HR). RESULTS A total of 58 989 individuals were included, comprising 19 663 cases and 39 326 controls. The sex distribution was similar. Overall, individuals with UC had an increased risk for eye disease, specified in ICD 10 chapter VII (H00-H59) with HR 1.25 (CI 1.20-1.32). The highest HR on block-level for cases was 1.52 (CI 1.36-1.70), (H15-H22), which includes episcleritis, keratitis and anterior uveitis. The risk for ocular disease was higher in silica dust-exposed than non-exposed with a HR of 1.44 (CI 1.16-1.78) and 1.25 (CI 1.19-1.31), respectively. Among cases, the risk for iridocyclitis (H20) was further elevated by silica dust exposure, with HR of 3.84 (CI 1.64-8.97) in exposed compared to 1.94 (1.57-2.41) in non-exposed. CONCLUSION UC is associated with an increased risk for eye diseases, including inflammatory conditions. Our findings highlight that silica dust-exposure may be of importance in the pathogenesis of uveitis.
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Affiliation(s)
- Karim Makdoumi
- Department of Ophthalmology, Faculty of Medicine and Health, Orebro University, Orebro, Sweden
| | - Lucyn Ayoub
- School of Medical Sciences, Orebro University, Orebro, Sweden
| | - Ing-Liss Bryngelsson
- Department of Ophthalmology, Faculty of Medicine and Health, Orebro University, Orebro, Sweden
- Department of Occupational and Environmental Medicine, Faculty of Medicine and Health, Orebro University, Orebro, Sweden
| | - Pål Graff
- National Institute of Occupational Health (STAMI), Oslo, Norway
| | - Pernilla Wiebert
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Center for Occupational and Environmental Medicine, Stockholm, Sweden
| | - Per Vihlborg
- Department of Geriatrics, Faculty of Medicine and Health, Orebro University, Orebro, Sweden
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2
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Estevinho MM, Midya V, Cohen-Mekelburg S, Allin KH, Fumery M, Pinho SS, Colombel JF, Agrawal M. Emerging role of environmental pollutants in inflammatory bowel disease risk, outcomes and underlying mechanisms. Gut 2024:gutjnl-2024-332523. [PMID: 39179372 DOI: 10.1136/gutjnl-2024-332523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2024] [Accepted: 08/09/2024] [Indexed: 08/26/2024]
Abstract
Epidemiological and translational data increasingly implicate environmental pollutants in inflammatory bowel disease (IBD). Indeed, the global incidence of IBD has been rising, particularly in developing countries, in parallel with the increased use of chemicals and synthetic materials in daily life and escalating pollution levels. Recent nationwide and ecological studies have reported associations between agricultural pesticides and IBD, particularly Crohn's disease. Exposure to other chemical categories has also been linked with an increased risk of IBD. To synthesise available data and identify knowledge gaps, we conducted a systematic review of human studies that reported on the impact of environmental pollutants on IBD risk and outcomes. Furthermore, we summarised in vitro data and animal studies investigating mechanisms underlying these associations. The 32 included human studies corroborate that heavy and transition metals, except zinc, air pollutants, per- and polyfluorinated substances, and pesticides are associated with an increased risk of IBD, with exposure to air pollutants being associated with disease-related adverse outcomes as well. The narrative review of preclinical studies suggests several overlapping mechanisms underlying these associations, including increased intestinal permeability, systemic inflammation and dysbiosis. A consolidated understanding of the impact of environmental exposures on IBD risk and outcomes is key to the identification of potentially modifiable risk factors and to inform strategies towards prediction, prevention and mitigation of IBD.
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Affiliation(s)
- Maria Manuela Estevinho
- Department of Gastroenterology, Unidade Local de Saúde Gaia Espinho, Vila Nova de Gaia, Portugal
- Department of Biomedicine, Unit of Pharmacology and Therapeutics, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Vishal Midya
- Department of Environmental Medicine and Climate Science, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Shirley Cohen-Mekelburg
- Division of Gastroenterology and Hepatology, University of Michigan Medicine, Ann Arbor, Michigan, USA
- VA Center for Clinical Management Research, VA Ann Arbor Health Care System, Ann Arbor, Michigan, USA
| | - Kristine Højgaard Allin
- Center for Molecular Prediction of Inflammatory Bowel Disease (PREDICT), Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark
- Department of Gastroenterology and Hepatology, Aalborg University Hospital, Aalborg, Denmark
| | - Mathurin Fumery
- Department of Gastroenterology, CHU Amiens and PériTox, UMR-I 01 INERIS, Picardie Jules Verne University, Amiens, France
| | - Salome S Pinho
- i3S, Institute for Research and Innovation in Health, Porto, Portugal
- ICBAS-School of Medicine and Biomedical Sciences, Porto, Portugal
- Faculty of Medicine, University of Porto, Porto, Portugal
| | - Jean-Frederic Colombel
- The Dr. Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Manasi Agrawal
- Center for Molecular Prediction of Inflammatory Bowel Disease (PREDICT), Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark
- The Dr. Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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Viola A, Fiorino G, Costantino G, Fries W. Epidemiology and clinical course of late onset inflammatory bowel disease. Minerva Gastroenterol (Torino) 2024; 70:52-58. [PMID: 34057332 DOI: 10.23736/s2724-5985.21.02890-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
With the increasing age of the general population in developed countries, the management of several chronic diseases becomes more and more complex due to comorbidities. Some, especially inflammatory bowel diseases, formerly believed to belong to the young adult population, have now been recognized as being present at disease onset also in the ageing population, representing medical challenges different from those in the younger population. In the past few years, knowledge on this special older population has increased, changing initial beliefs concerning epidemiology and course of disease. In the present review, we addressed the most recent evidence concerning their current incidence compared with other age groups, their clinical course, potential risk factors for the development of late-onset IBDs, associated diseases, and cancer risk beyond therapy-related neoplasias.
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Affiliation(s)
- Anna Viola
- Gastroenterology and Clinical Unit for Chronic Bowel Disorders, Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy -
| | - Gionata Fiorino
- Department of Gastroenterology, IBD Center, Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Giuseppe Costantino
- Gastroenterology and Clinical Unit for Chronic Bowel Disorders, Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Walter Fries
- Gastroenterology and Clinical Unit for Chronic Bowel Disorders, Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
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4
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Arkema EV, Rossides M, Cozier YC. Sarcoidosis and its relation to other immune-mediated diseases: Epidemiological insights. J Autoimmun 2023:103127. [PMID: 37816661 DOI: 10.1016/j.jaut.2023.103127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/27/2023] [Accepted: 10/04/2023] [Indexed: 10/12/2023]
Abstract
Several epidemiological studies show a co-occurrence of sarcoidosis with other immune-mediated diseases (IMD). There are many similarities between sarcoidosis and IMDs in their geographical distribution and risk factors. Understanding these similarities and identifying the differences can help us to better understand sarcoidosis and put it into context with other IMDs. In this review, we present the current knowledge about the overlap between sarcoidosis and other IMDs derived from epidemiological studies. Epidemiologic methods utilize study design and statistical analysis to describe the patterns in data and, ideally, identify causal relationships between an exposure and a health outcome. We discuss how study design and analysis may affect the interpretation of epidemiological studies on this topic and highlight some theories that attempt to explain the relation between sarcoidosis and other IMDs.
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Affiliation(s)
- Elizabeth V Arkema
- Karolinska Institutet, Department of Medicine Solna, Clinical Epidemiology Division, Stockholm, Sweden.
| | - Marios Rossides
- Department of Respiratory Medicine and Allergy, Theme Inflammation and Ageing, Karolinska University Hospital, Stockholm, Sweden; Unit of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Yvette C Cozier
- Boston University School of Public Health, Department of Epidemiology, Boston, MA, USA; Slone Epidemiology Center, Boston University School of Medicine, Boston, MA, USA
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Orsini Delgado ML, Sambuelli A, Negreira S, Gil A, D Elia L, Smaldini PL, Docena GH. Volcanic ash-driven worsening of mucosal inflammation in an experimental colitis model. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 292:118351. [PMID: 34637830 DOI: 10.1016/j.envpol.2021.118351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 10/07/2021] [Accepted: 10/08/2021] [Indexed: 06/13/2023]
Abstract
Particulate matter exposure and related chemical changes in drinking water have been associated with health problems and inflammatory disorders. This study aimed to examine the effect of orally administered ash-water dilution on the gut of mice under normal and inflammatory conditions. Balb/c mice received ash-released soluble and dust-suspended components in the drinking water for 14 days. On day 7, animals were intrarectally instilled with TNBS in ethanol or flagellin from Salmonella typhimurium in PBS. At sacrifice, colon segments were collected and histologic damage, mRNA expression and cytokine levels in tissue were evaluated. In addition, these parameters were also evaluated in IL-10 null mice. We found that mice that received 5% w. fine-ash dilution in the drinking water worsened colitis signs. Weight loss, shortening of the colon, tissue edema with mucosa and submucosa cell infiltration and production of pro-inflammatory cytokines and chemokines were enhanced compared to control mice. A more pronounced inflammation was observed in IL-10 null mice. In addition, markers of NLRP3-dependent inflammasome activation were found in animals exposed to ash. In conclusion, ingestion of contaminated water with dust-suspended particulate matter enhanced the inflammatory response in the gut, probably due to alteration of the gut barrier and promoting an intense contact with the luminal content. This study critically appraises the response for fine particulate matter in uncommon illnesses reported for volcanic ash pollution. We suggest actions to enable better prediction and assessment the health impacts of volcanic eruptions.
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Affiliation(s)
- María Lucía Orsini Delgado
- Instituto de Estudios Inmunológicos y Fisiopatológicos (IIFP), CONICET y Universidad Nacional de La Plata, La Plata, Argentina.
| | - Alicia Sambuelli
- Servicio de Enfermedades Inflamatorias, Hospital de Gastroenterología Bonorino Udaondo, Buenos Aires, Argentina.
| | - Silvia Negreira
- Servicio de Enfermedades Inflamatorias, Hospital de Gastroenterología Bonorino Udaondo, Buenos Aires, Argentina.
| | - Anibal Gil
- Servicio de Enfermedades Inflamatorias, Hospital de Gastroenterología Bonorino Udaondo, Buenos Aires, Argentina.
| | - Leandro D Elia
- Centro de Investigaciones Geológicas (CIG), CONICET y Universidad Nacional de La Plata, La Plata, Argentina.
| | - Paola L Smaldini
- Instituto de Estudios Inmunológicos y Fisiopatológicos (IIFP), CONICET y Universidad Nacional de La Plata, La Plata, Argentina.
| | - Guillermo H Docena
- Instituto de Estudios Inmunológicos y Fisiopatológicos (IIFP), CONICET y Universidad Nacional de La Plata, La Plata, Argentina.
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Yun B, King M, Draz MS, Kline T, Rodriguez-Palacios A. Oxidative reactivity across kingdoms in the gut: Host immunity, stressed microbiota and oxidized foods. Free Radic Biol Med 2022; 178:97-110. [PMID: 34843918 DOI: 10.1016/j.freeradbiomed.2021.11.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 11/05/2021] [Accepted: 11/08/2021] [Indexed: 02/07/2023]
Abstract
Reactive oxygen species play a major role in the induction of programmed cell death and numerous diseases. Production of reactive oxygen species is ubiquitous in biological systems such as humans, bacteria, fungi/yeasts, and plants. Although reactive oxygen species are known to cause diseases, little is known about the importance of the combined oxidative stress burden in the gut. Understanding the dynamics and the level of oxidative stress 'reactivity' across kingdoms could help ascertain the combined consequences of free radical accumulation in the gut lumen. Here, we present fundamental similarities of oxidative stress derived from the host immune cells, bacteria, yeasts, plants, and the therein-derived diets, which often accentuate the burden of free radicals by accumulation during storage and cooking conditions. Given the described similarities, oxidative stress could be better understood and minimized by monitoring the levels of oxidative stress in the feces to identify pro-inflammatory factors. However, we illustrate that dietary studies rarely monitor oxidative stress markers in the feces, and therefore our knowledge on fecal oxidative stress monitoring is limited. A more holistic approach to understanding oxidative stress 'reactivity' in the gut could help improve strategies to use diet and microbiota to prevent intestinal diseases.
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Affiliation(s)
- Bahda Yun
- Division of Gastroenterology & Liver Disease, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Maria King
- Division of Gastroenterology & Liver Disease, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Mohamed S Draz
- Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Terence Kline
- Veterinary Technology Program, Cuyahoga Community College, Cleveland, OH, USA
| | - Alex Rodriguez-Palacios
- Division of Gastroenterology & Liver Disease, Case Western Reserve University School of Medicine, Cleveland, OH, USA; Germ-free and Gut Microbiome Core, Digestive Health Research Institute, Case Western Reserve University, Cleveland, OH, USA; University Hospitals Research and Education Institute, University Hospitals Cleveland Medical Center, Cleveland, OH, USA.
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Kostoff RN, Briggs MB, Kanduc D, Shores DR, Kovatsi L, Vardavas AI, Porter AL. Common contributing factors to COVID-19 and inflammatory bowel disease. Toxicol Rep 2021; 8:1616-1637. [PMID: 34485092 PMCID: PMC8406546 DOI: 10.1016/j.toxrep.2021.08.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/17/2021] [Accepted: 08/28/2021] [Indexed: 12/11/2022] Open
Abstract
The devastating complications of coronavirus disease 2019 (COVID-19) result from an individual's dysfunctional immune response following the initial severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Multiple toxic stressors and behaviors contribute to underlying immune system dysfunction. SARS-CoV-2 exploits the dysfunctional immune system to trigger a chain of events ultimately leading to COVID-19. We have previously identified many contributing factors (CFs) (representing toxic exposure, lifestyle factors and psychosocial stressors) common to myriad chronic diseases. We hypothesized significant overlap between CFs associated with COVID-19 and inflammatory bowel disease (IBD), because of the strong role immune dysfunction plays in each disease. A streamlined dot-product approach was used to identify potential CFs to COVID-19 and IBD. Of the fifty CFs to COVID-19 that were validated for demonstration purposes, approximately half had direct impact on COVID-19 (the CF and COVID-19 were mentioned in the same record; i.e., CF---→COVID-19), and the other half had indirect impact. The nascent character of the COVID-19 core literature (∼ one year old) did not allow sufficient time for the direct impacts of many CFs on COVID-19 to be identified. Therefore, an immune system dysfunction (ID) literature directly related to the COVID-19 core literature was used to augment the COVID-19 core literature and provide the remaining CFs that impacted COVID-19 indirectly (i.e., CF---→immune system dysfunction---→COVID-19). Approximately 13000 potential CFs for myriad diseases (obtained from government and university toxic substance lists) served as the starting point for the dot-product identification process. These phrases were intersected (dot-product) with phrases extracted from a PubMed-derived IBD core literature, a nascent COVID-19 core literature, and the COVID-19-related immune system dysfunction (ID) core literature to identify common ID/COVID-19 and IBD CFs. Approximately 3000 potential CFs common to both ID and IBD, almost 2300 potential CFs common to ID and COVID-19, and over 1900 potential CFs common to IBD and COVID-19 were identified. As proof of concept, we validated fifty of these ∼3000 overlapping ID/IBD candidate CFs with biologic plausibility. We further validated 24 of the fifty as common CFs in the IBD and nascent COVID-19 core literatures. This significant finding demonstrated that the CFs indirectly related to COVID-19 -- identified with use of the immune system dysfunction literature -- are strong candidates to emerge eventually as CFs directly related to COVID-19. As discussed in the main text, many more CFs common to all these core literatures could be identified and validated. ID and IBD share many common risk/contributing factors, including behaviors and toxic exposures that impair immune function. A key component to immune system health is removal of those factors that contribute to immune system dysfunction in the first place. This requires a paradigm shift from traditional Western medicine, which often focuses on treatment, rather than prevention.
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Affiliation(s)
- Ronald Neil Kostoff
- School of Public Policy, Georgia Institute of Technology, Gainesville, VA, 20155, United States
| | | | - Darja Kanduc
- Dept. of Biosciences, Biotechnologies, and Biopharmaceutics, University of Bari, Via Orabona 4, Bari, 70125, Italy
| | - Darla Roye Shores
- Department of Pediatrics, Division of Gastroenterology, The Johns Hopkins University School of Medicine, Baltimore, MD, 21287, United States
| | - Leda Kovatsi
- Laboratory of Forensic Medicine and Toxicology, School of Medicine, Aristotle University of Thessaloniki, 54124, Greece
| | - Alexander I. Vardavas
- Laboratory of Toxicology & Forensic Sciences, Faculty of Medicine, University of Crete, Greece
| | - Alan L. Porter
- R&D, Search Technology, Inc., Peachtree Corners, GA, 30092, United States
- School of Public Policy, Georgia Institute of Technology, Atlanta, GA, 30332, United States
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Graff P, Larsson J, Bryngelsson IL, Wiebert P, Vihlborg P. Sarcoidosis and silica dust exposure among men in Sweden: a case-control study. BMJ Open 2020; 10:e038926. [PMID: 32883739 PMCID: PMC7473614 DOI: 10.1136/bmjopen-2020-038926] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE To determine whether occupational exposure to silica dust is associated with an increased risk of developing sarcoidosis. DESIGN Case-control study of all individuals between 20 and 65 years of age diagnosed with sarcoidosis (D86) in Sweden between 2007 and 2016. Controls were matched to cases (2:1) based on age, sex and county at the time of diagnosis. A Job Exposure Matrix was used to estimate the occupational silica exposure of all cases and controls. SETTING Medical and occupational data from the National Outpatient Register were used to implement a case-control analysis, while the two controls used for each case were selected from the National Register of the Total Population. Information about occupation and time of employment were collected from the Swedish Occupational Register. PARTICIPANTS All men and women aged 20-65 years old who were diagnosed sarcoidosis (D86) from 2007 to 2016 were included and assigned two controls. MAIN OUTCOMES Silica dust exposure correlates with an increased risk of developing sarcoidosis in men. RESULTS The prevalence of silica exposure at work was statistically significantly higher among male cases than controls (OR 1.27, 95% CI 1.13 to 1.43). For men of an age of 35 years or younger the correlation seems to be stronger (OR 1.48, 95% CI 1.1 to 1.87) than in older men (OR 1.21, 95% CI 1.05 to 1.39). For men older than 35 with exposure to silica the prevalence of sarcoidosis increased with the exposure time, with an OR of 1.44 (95% CI 1.04 to 2.00) for exposure of more than 10 years. CONCLUSIONS Occupational exposure to silica dust seems to increase the risk of sarcoidosis among men between 20 and 65 years of age. The risk is higher among exposed men 35 years or younger and older men with longer exposure (>6 years).
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Affiliation(s)
- Pål Graff
- Department of Chemical and Biological Work Environment, STAMI, Oslo, Norway
| | - Johanna Larsson
- Department of Occupational and Environmental Medicine, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Ing-Liss Bryngelsson
- Department of Occupational and Environmental Medicine, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Pernilla Wiebert
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Per Vihlborg
- Department of Occupational and Environmental Medicine, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
- Odensbackens Health Center, Örebro, Sweden
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