1. Department of Orthopaedic Surgery, Hand and Upper Extremity Service, Massachusetts General Hospital Harvard Medical School Boston Massachusetts USA
2. Department of Plastic, Reconstructive, and Hand Surgery Radboud UMC Nijmegen Netherlands
3. Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School Boston Massachusetts USA
4. Department of Plastic Surgery Jeroen Bosch Hospital Den Bosch Netherlands
5. Department of Orthopaedic Surgery, Orthopaedic Oncology Service, Massachusetts General Hospital Harvard Medical School Boston Massachusetts USA