1. Reconstructive Surgery and Hand Surgery Unit, IRCCS Istituto Giannina Gaslini, Genova, Italy
2. Children’s Hand and Upper Limb Service, Department of Plastic Surgery, Birmingham Children’s Hospital NHS Foundation Trust, Birmingham, UK
3. Pediatric Hand, Nerve and Microsurgery Institute, Vall d’Hebron Instituto de Oncologia, Barcelona, Spain
4. Pediatric Orthopedics and Foot and Ankle Surgery, Orthopedic Hospital Speising, Vienna, Austria