Epidemiology, Biostatistics and Prevention Institute, Zürich, Switzerland
University Hospital of Zurich, Zürich, Zurich, Switzerland
UniversityHospital Zurich, Department of Pulmonology, Zurich, Switzerland
University Hospital of Zurich, Zurich, Switzerland
Ophthalmology Department, University Hospital Zurich, Zurich, Switzerland
Dept. of Neurosurgery, Zurich University Hospital, Zurich, Switzerland
University Hospital Zurich, Zurich, Switzerland
University Hospital Zurich, Zurich, Switzerland
UniversityHospital Zurich, Department of Pulmonology, Zurich, Switzerland
UniversityHospital Zurich, Department of Pulmonology, Zurich, Switzerland
Andrea Kegel, Zurich, Switzerland