[1
]
1 Department of Research and Education, CIRO, Horn, the Netherlands.
[2
]
2 Institute of Outpatient Clinic for Occupational, Social, and Environmental Medicine,
Ludwig-Maximilians-Universität München, Munich, Germany.
[3
]
3 Department of Internal Medicine V-Pulmonology, Allergology, Respiratory Intensive
Care Medicine, Saarland University Hospital, Homburg, Germany.
[4
]
4 Department of Respiratory Medicine, Maastricht University Medical Center+, Maastricht,
the Netherlands.
[5
]
5 Department of Internal Medicine B-Cardiology, Intensive Care, Pulmonary Medicine,
and Infectious Diseases, University Medicine Greifswald, Greifswald, Germany.
[6
]
6 Institute of Health Economics and Health Care Management and.
[7
]
7 Institute for Biostatistics and.
[8
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8 Pulmonary Research Institute at Lung Clinic Grosshansdorf, Airway Research Center
North (Member of German Center for Lung Research), Grosshansdorf, Germany.
[9
]
9 Institute of Epidemiology I, Helmholtz Zentrum München (GmbH)-German Research Center
for Environmental Health (Member of the German Center for Lung Research), Comprehensive
Pneumology Center Munich, Neuherberg, Germany.
[10
]
10 Rehabilitation Research Center, Biomedical Research Institute, Faculty of Medicine
and Life Sciences, Hasselt University, Diepenbeek, Belgium; and.
[11
]
11 Clinic for Pneumology (Member of the German Center for Lung Research), Hannover
Medical School, Hannover, Germany.
[12
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12 Department of Medicine, Pulmonary, and Critical Care Medicine, University Medical
Center Giessen and Marburg, Philipps-University (Member of the German Center for Lung
Research), Marburg, Germany.