Bern University Hospital, Bern, Switzerland
Klinik Südhang, Kirchlindach, Bern, Switzerland
Dep, of Orthopaedic Surgery, Inselspital, University of Berne, Berne, Switzerland
Department of Orthopaedic Surgery, Kantonsspital Lucerne, Lucerne, Switzerland
University Hospital for Pulmonology, Berne, Switzerland
Kantonsspital St. Gallen, St. Gallen, Switzerland
Universitätsspital Basel, Basel, Switzerland
Dep. of Obstetrics and Gynecology, Bern, Switzerland
Dep. of Cardiovascular Surgery, Berne University Hospital, Bern, Switzerland
Department of Anaesthesiology and Pain Medicine, Inselspital, University of Bern, Bern, Switzerland
Inselspital, Department for Rheumatology, and Dpt. For Periodontology, School for Dentistry, University of Bern, Bern, Switzerland
Prof. Dr. Daniel Surbek, Bern, Switzerland
Department of Dermatology, Bern, Switzerland