1. Hand, Elbow & Microsurgery Department - icatMA (ICATME) Hospital Universitari Quiron-Dexeus, Barcelona, Spain
2. Department of Orthopaedic Surgery, Pontificia Universidad Católica de Chile, Santiago, Chile
3. International Pediatric Hand Surgery and Microsurgery Institute, Barcelona University Childrens Hospital HM Nens, Barcelona, Spain
4. Unidad UCA Mikel Sanchez, Vitoria, Spain