Pericles Papadopoulos MD Associate Professor in Orthopaedics, Chief Division of Sports Medicine, Director, Shoulder Service, Aristotle University of Thessaloniki, Greece Achilleas Boutsiadis MD 424 Military Hospital, Thessaloniki, Greece Howard Cottam BSc(Hons) MBBS MSc FRCS (Tr&Orth) Consultant Upper Limb Surgeon, Medway Maritime Hospital, Gillingham, UK