Mehmet Kocao?lu, MD, graduated from Istanbul Medical School, University of Istanbul, in 1983 and subsequently performed his residency at the Department of Orthopedics and Traumatology, Istanbul School of Medicine, where he became an Associate Professor in 1996 and continues to work as a lecturer. He is a member of various professional bodies, including the Turkish Association of Orthopedics and Traumatology, the Turkish Society of Reconstructive Microsurgery, the American Academy of Orthopedic Surgeons, and the Limb Lengthening and Reconstruction Society of North America. Dr. Kocao?lu is a member of the editorial boards of Acta Orthopaedica et Traumatologica Turcica and Hacettepe Journal of Orthopaedic Surgery. In the past decade he has been the author of nearly 30 scientific publications. His special areas of interest include free vascularized bone grafts, Ilizarov applications, treatment of bone infections, limb lengthening, correction of deformities, and pseudarthrosis treatment.

Hiroyuki Tsuchiya, MD, PhD, is Professor and Chairman of Department of Orthopedic Surgery at Graduate School of Medical Sciences of Kanazawa University. He is a board member of various associations and committees, including the Japanese Orthopedic Association, the International Society of Limb Salvage, the Japanese Association of Clinical Oncology, ASAMI international and the Young Surgeons Committee of SICOT. His major clinical research interests include orthopedic oncology, limb reconstruction and lengthening, and external fixation. He also developed function-saving limb saving surgery, caffeine-potentiated chemotherapy, tumor reconstruction with distraction osteogenesis and tumor-bearing autograft treated by liquid nitrogen, and cryoimmunology for sarcomas. Professor Tsuchiya is a reviewer for a number of leading journals and has himself been the lead or co-author of more than 200 original articles in peer-reviewed journals as well as numerous book chapters, short papers, and proceedings.

Levent Eralp, MD, MSc, graduated from Istanbul Medical School, University of Istanbul, in 1991. He performed his residency at the Department of Orthopedic Surgery and Traumatology at Istanbul Medical School, where he subsequently became first a Lecturer, then an Associate Professor and a full professor since 2009. In 2003 he won a SICOT scholarship to the University Hospital Kanazawa, Japan, to study Oncologic Orthopedics and in 2004 he spent time at Resurgens Orthopedics in Atlanta, USA, working on musculoskeletal infections. His fields of particular interest include oncologic orthopedics, adult reconstruction, musculoskeletal infections, bone lengthening and deformity correction, external fixation, trauma, and total joint replacement, and he has published widely on these topics.