Pontoh, L.A.P., Department of Orthopaedics and Traumatology, Fatmawati General Hospital, Jakarta, Indonesia, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Rahyussalim, A.J., Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, Department of Orthopaedics and Traumatology, Dr Cipto Mangunkusumo General Hospital, Jakarta, Indonesia; Widodo, W., Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, Department of Orthopaedics and Traumatology, Dr Cipto Mangunkusumo General Hospital, Jakarta, Indonesia; Fiolin, J., Department of Orthopaedics and Traumatology, Pondok Indah General Hospital, Jakarta, Indonesia; Rhatomy, S., Department of Orthopaedics and Traumatology, Dr Soeradji Tirtonegoro General Hospital, Klaten, Indonesia, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia