1. From Medizinische Hochschule, Hannover, Germany (M.M.H.); Columbia University, New York, NY (R.J.B.); University of Alabama at Birmingham (R.C.B.); Arizona Pulmonary Specialists, Phoenix (J.F.); Baylor College of Medicine, Houston, TX (A.E.F.); Università di Bologna, Bologna, Italy (N.G.); Hospital Universitario Doce de Octubre, Madrid, Spain (M.A.G.-S.); University Hospital Giessen and Marburg GmbH, Giessen, Germany (F.G., H.G.); University Hospital Heidelberg, Heidelberg, Germany (E.G.); Johns...