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
University Hospital Hamburg-Eppendorf, Hamburg, Germany
Universitätskrankenhaus Hamburg-Eppendorf, Hamburg, Germany
Universitaetsklinikum Duesseldorf, Duesseldorf, Germany
University Medical Center Hamburg - Eppendorf, Hamburg, Germany
Johannes Gutenberg University, Mainz, Germany
University Medical Center Hamburg-Eppendorf, Hamburg, Germany
Clinical Trial Center North, Hamburg, Germany