1. French National Institute of Health and Medical Research U1189; Lille University Hospital, University of Lille, Lille Regional University Hospital Center (f.m.l., s.m.); Lille
2. the Department of Plastic Surgery, Transsexual Surgery and Hand Surgery; Centre François-Xavier-Michelet, Bordeaux Hospital University Center (f.m.l.); Bordeaux Cedex France
3. the Department of Plastic Surgery and Hand Surgery; Inselspita Bern, University of Bern (f.m.l.); Bern Switzerland
4. Instituto Medico Vilafortuny, Fundacion Antoni de Gimbernat (j.a., p.m-c., m.v., m.t.); Cambrils Spain.