Librianto, D., Orthopedic Spine Surgeon, Fatmawati General Hospital, Jakarta, Indonesia; Dilogo, I.H., Department of Orthopedic and Traumatology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Kamal, A.F., Department of Orthopedic and Traumatology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Saleh, I., Department of Orthopedic and Traumatology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Ipang, F., Orthopedic Spine Surgeon, Fatmawati General Hospital, Jakarta, Indonesia; Aprilya, D., Department of Orthopedic and Traumatology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia