1. Institute of Health Economics and Health Care Management, Helmholtz Zentrum München, German Research Center for Environmental Health GmbH, Neuherberg, Germany;
2. Pettenkoffer School of Public Health, Munich, Germany;
3. Institute for Medical Information Processing, Biometry, and Epidemiology - IBE, LMU Munich, Munich, Germany;
4. Comprehensive Pneumology Center Munich, Member of the German Center for Lung Research, Munich, Germany;
5. Institut für Therapieforschung, Munich, Germany;
6. Center for Interstitial and Rare Lung Diseases, Pneumology and Respiratory Critical Care Medicine, Thoraxklinik, University of Heidelberg, German Center for Lung Research, Heidelberg, Germany; and
7. Department of Economics, Martin Luther University Halle-Wittenberg, Halle, Germany