1. Ordination Dr. Lanzer, St. Peter Hauptstraße 27, 8042 Graz, Austria
2. Cardiology, University Hospital Basel, 4031 Basel, Switzerland
3. Department of Cardiology, University Heart Center, University Hospital Zurich, University of Zurich, 8006 Zurich, Switzerland
4. Clinic of Maxillofacial and Oral Surgery, University Hospital Zurich, 8091 Zurich, Switzerland
5. Hochgebirgsklinik, Medicine Campus Davos, 7265 Davos, Switzerland
6. Christine Kühne Center for Allergy Research and Education (CK-CARE), Medicine Campus Davos, 7265 Davos, Switzerland