1. Department Hand and Peripheral Nerve Surgery, Queen Elizabeth Hospital Birmingham, Birmingham, United Kingdom
2. Department of Plastic, Reconstructive and Hand Surgery, Amsterdam UMC, Amsterdam, the Netherlands
3. Department of Plastic, Reconstructive and Hand Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
4. Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Mass.
5. Department of Plastic and Reconstructive Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio
6. Department of Orthopaedic Surgery Washington University School of Medicine, St. Louis, Mo.
7. Department of Orthopaedics & Traumatology, Pusat Perubatan UKM, University Kebangsaan Malaysia, Kuala Lumpur, Malaysia
8. Department of Orthopaedic Surgery, Khoo Teck Puat Hospital, Singapore.