Eberhard Karls University Tübingen, Tübingen, BW, Germany
University Hospital Bonn, Bonn, NRW, Germany
Medical Clinic, Research Center Borstel, Borstel, SH, Germany
University of Tuebingen, Tuebingen, Baden-Wuerttemberg, Germany
Vivantes Klinikum, Berlin, Germany
University of Cologne, Cologne, Germany
Christian Grefkles, Cologne, Germany
University of Munich, Grosshadern Campus, Munich, Germany
Johannes Gutenberg, University of Mainz, Mainz, Germany
University of Cologne, Center for Integrated Oncology (CIO), Cologne, Germany
University Hospital of Cologne, Cologne, NRW, Germany
University Hospital of Cologne, Cologne, NRW, Germany
Radboud University Nijmegen Medical Center, Nijmegen, Netherlands
Rehabilitationszentrum Godeshöhe e.V., Bonn, NRW, Germany
MediClin Fachklinik Rhein/Ruhr für Neurologie, Essen, NRW, Germany
University Hospital of Cologne, Cologne, Germany
Städtisches Klinikum München, Munich, Bavaria, Germany
University Hospital Jena, Jena, Thuringia, Germany
University Clinical Center Hamburg-Eppendorf, Hamburg, Germany
Praxis für Lungenheilkunde, Wien, Austria