1. Department of Paediatric Orthopaedics, Dana Children’s Hospital, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
2. Klinik und Poliklinik für Allgemeine Orthopädie und Tumororthopädie, Universitätsklinikum Münster, Münster, Germany
3. International Center for Limb Lengthening, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, USA
4. Orthopedic Hospital Speising, Vienna, Austria
5. Department of Pediatric Orthopaedic Surgery, Sickkids Hospital Toronto, Toronto, Canada