Charité Campus Benjamin Franklin, Berlin, Germany
Uniklinikum Bonn, Bonn, Germany
Universitätsklinikum Dresden, Dresden, Germany
University Medical Center Hamburg-Eppendorf, Hamburg, Germany
University Medical Center Hamburg-Eppendorf, Hamburg, Germany
Klinikum Nürnberg Süd, Nürnberg, Bavaria, Germany
Universitätsklinikum Würzburg, Würzburg, Bavaria, Germany
Klinikum Bremen-Nord, Bremen, Germany
Department of Primary Medical Care, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
UH Verona, Verona, Italy
UH Eppendorf, Hamburg, Germany
Agia Olga hospital, Athens, Greece
University Medical Center Hamburg-Eppendorf, Hamburg, Germany
Department of Respiratory Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
Department of Psychiatry and Psychotherapy, University Hospital Hamburg-Eppendorf (UKE), Hamburg, Germany