1 Academic Department of Trauma & Orthopaedic Surgery, University of Leeds, Clarendon Wing, Floor A, Great George Street, Leeds General Infirmary, LS1 3EX, Leeds, UK; NIHR Leeds Biomedical Research Unit, Chapel Allerton Hospital, LS7 4SA, Leeds, West Yorkshire, UK. Electronic address: pgiannoudi@aol.com.
2 C.O.R., Reparative Orthopaedic Surgery Department, Orthopaedic Institute G. Pini, University of Milan, Italy.
3 Department of Orthopaedic, Trauma and Reconstructive Surgery, Antoine Béclère Hospital, AP-HP, Paris Sud University, 157 rue de la Porte de Trivaux, 92140 Clamart, France.
4 Trauma and Reconstructive Surgery, Center for Orthopaedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraβe 200a, D-69118 Heidelberg, Germany, HTRG - Heidelberg Trauma Research Group.