Djaja, Y.P., Department of Orthopedic & Traumatology, Fatmawati General Hospital, Jakarta, Indonesia; Prasetia, R., Faculty of Medicine, Department of Orthopaedic Surgery, Universitas Padjadjaran, Bandung, Indonesia; Santoso, A., Department of Orthopaedic and Traumatology, Sebelas Maret University, Prof Dr R Soeharso Orthopaedic Hospital, Solo, Indonesia; Rahyussalim, A.J., Department of Orthopaedic & Traumatology, Cipto Mangunkusumo General Hospital, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Mustamsir, E., Department of Orthopaedics and Traumatology, Faculty of Medicine Brawijaya University, Saiful Anwar General Hospital, Malang, Indonesia; Dilogo, I.H., Department of Orthopaedic & Traumatology, Cipto Mangunkusumo General Hospital, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia