1. Department of Pediatric Orthopedics - Pediatric Hospital, Centro Hospitalar e Universitário de Coimbra (CHUC), EPE, Coimbra, Portugal
2. Department of Pediatric Orthopaedic Surgery and Traumatology, Sant Joan de Deu Barcelona Children’s Hospital, University of Barcelona, Barcelona, Spain
3. Sant Joan de Deu Research Foundation, Barcelona, Spain
4. Department of Pediatric Orthopedics and Foot and Ankle Surgery, Orthopedic Hospital Speising, Vienna, Austria
5. Head Reconstructive Surgery and Hand Surgery Unit, IRCCS Istituto Giannina Gaslini, Genova, Italy