Correspondence to: K. Tello, MD, Department of Internal Medicine, Justus-Liebig- University Giessen, Universities of Giessen and Marburg Lung Center, Member of the German Center for Lung Research, Klinikstrasse 33, 35392 Giessen, Germany. Email

E-mail Address: [email protected]

https://orcid.org/0000-0002-5557-623X

Department of Internal Medicine, Justus-Liebig-University Giessen, Universities of Giessen and Marburg Lung Center, German Center for Lung Research, Giessen, Germany (N.K., Z.R., K.T.).