1. Departments of Surgery, Massy, France
2. Departments of Physiology & Pharmacology, Massy, France
3. Departments of Medicine, Massy, France
4. Anaesthesia, University of Western Ontario, London, ON, Canada
5. Private Practice, Massy, France
6. Private practice, Paris, France
7. Unite de Rythmologie Institut du Coeur, Paris, France
8. Service de Chirurgie Cardiaque Hopital Pitie-Salpetriere, Paris, France.