1. Geriatric Department, Charles Foix Hospital, Paris, France;
2. Geriatric Department, General Hospital, Orsay. France;
3. Bullion paediatric Rehabilitation Centre, France;
4. Plastic and Reconstructive Surgery, north Hospital, University of Marseille, France;
5. Percy Army Hospital, Clamart, France;
6. Laboratoires Urgo, Chenôve, France;
7. Laboratoires Urgo, Chenôve, France.