Dr Guillaume Chuto is a Nuclear Physician. From 2005 to 2011, he has been working as a specialist practitioner at the anticancer institute Paoli-Calmettes in Marseille, France. Since 2011, he is practicing at the private hospital Résidence du parc in Marseille. This medical ward is dedicated to orthopedic bone scans since 1994 (80% of their patients), has a SPECT-CT since 2009 and performs approximately 1000 bone SPECT-CT of the ankle and the foot per year. Dr Chuto is a Member of the Société Française de Médecine Nucléaire (SFMN) and the European Association of Nuclear Medicine (EANM). He is the author of several articles and books.Dr Emmanuel Richelme is an Orthopedic surgeon. He works as an exclusive ankle and foot orthopedic surgeon since 2008, in one of the best French private hospital for foot and ankle surgery (Clinique Juge, Marseille). He is a Member of the Société Française de Chirurgie Orthopédique et Traumatologique (SOFCOT); of the Association Française de chirurgie du pied (AFCP) and of the Groupe de Recherche et d’étude en chirurgie mini-invasive du pied (GRECMIP). He has been giving several oral contributions to AFCP and GRECMIP congress, and teacher of a class intended to chiropodist and physiotherapist.Dr Christophe Cermolacce is an Orthopedic surgeon. He works as an exclusive ankle and foot orthopedic surgeon since 1995, in one of the best French private hospital for foot and ankle surgery (Clinique Juge, Marseille, and ICP, Paris). He is a Member of several societies (Société Française de Chirurgie Orthopédique et Traumatologique (SOFCOT); Association Française de chirurgie du pied (AFCP); Groupe de Recherche et d’étude en chirurgie mini-invasive du pied (GRECMIP); Talus group; Association d’étude et de recherche sur les infections osseuses; Groupe d’étude du pied). He has been giving several oral contributions to AFCP and GRECMIP congress, class to orthopedic surgeons, chiropodist and physiotherapist.Dr Michel Nicaud is a Nuclear Physician. He works at the Private hospital Résidence du parc in Marseille since 2000. He is a Member of the Société Française de Médecine Nucléaire (SFMN) and the European Association of Nuclear Medicine (EANM).Dr Bruno Puech is a Nuclear Physician. He works at the Private hospital Résidence du parc in Marseille since 1994. He is a Member of the Société Française de Médecine Nucléaire (SFMN) and the European Association of Nuclear Medicine (EANM) and the former president of the Action Concertée en Médecine Nucléaire (ACOMEN).