1. Vascular Medicine Unit, Saint-Joseph Hospital, Paris, France
2. Thames Valley University, London, UK
3. Head, Dermatology Department, University Hospital, Essen, Germany
4. Dermatology Department, University Hospital, Dijon, France
5. Head, Dermatology Department, Beauregard Hospital, Thionville, France
6. Dermatology Department, University Hospital, Münster, Germany
7. Leg Ulcer Clinic, Wrafton House Surgery, Hatfield, UK
8. Trowbridge Community Hospital, Trowbridge, UK
9. R–D Department, Laboratoires URGO, Chenôve, France
10. Head, Geriatric Department, Rothschild Hospital, Paris, France.