1 Arizona College of Osteopathic Medicine, Midwestern University, Glendale, Arizona.
2 Department of Orthopaedic and Traumatology, Universitas Airlangga, Surabaya, Indonesia; Department of Orthopaedics, Leiden University Medical Center, Leiden, The Netherlands; Nicolaas Institute of Constructive Orthopaedic Research & Education Foundation for Arthroplasty & Sports Medicine at Medistra Hospital, Jakarta, Indonesia.
3 Medical City Complex, Baghdad, Iraq.
4 Unidad de Rodilla, Edgardo Rebagliati Martins National Hospital, Jesús María, Peru.
5 Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
6 East Cooper medical Center, Sullivans Island, South Carolina.
7 Department of Orthopaedics & Traumatology, Queen Mary Hospital, The University of Hong Kong, Pokfulam, Hong Kong.
8 Orthopaedic Surgery, Hospital for Special Surgery, New York, New York.
9 Orthopedics and Traumatology, Acibadem University, Istanbul, Turkey.