1. Division of Clinical Immunology and Allergology; Department of Medical Specialties; University Hospitals and Medical Faculty; Geneva Switzerland
2. Private Practice; Nyon Switzerland
3. Department of Radiology; University Hospitals and Medical Faculty; Geneva Switzerland
4. Division of Cardiology; Department of Medical Specialties, University Hospitals and Medical Faculty; Geneva Switzerland
5. Division of Clinical Pathology; Department of Pathology; University Hospitals and Medical Faculty; Geneva Switzerland
6. Hospital of Valais; Sion Switzerland