Librianto D., Orthopaedic Spine Surgeon, Department of Orthopaedic & Traumatology, Fatmawati Hospital, Jalan Fatmawati Raya No. 4, Cilandak, Jakarta, Jakarta Selatan, 12430, Indonesia; Saleh I., Orthopaedic Spine Surgeon, Department of Orthopaedic & Traumatology, Cipto Mangunkusumo National Central Hospital, Faculty of Medicine, Universitas Indonesia, Jalan Diponegoro No. 71, Jakarta, Jakarta Pusat, 10430, Indonesia; Utami W.S., Orthopaedic Spine Surgeon, Tarakan General Hospital, Jalan Kyai Caringin No. 7, Jakarta, Jakarta Pusat, 10150, Indonesia; Librianto M.Y., Faculty of Medicine, Universitas Indonesia, Jalan Salemba Raya No. 6, Jakarta, Jakarta Pusat, 10430, Indonesia; Librianto K.R., Faculty of Medicine, Universitas Indonesia, Jalan Salemba Raya No. 6, Jakarta, Jakarta Pusat, 10430, Indonesia; Hutami W.D., Department of Orthopaedic and Traumatology, Department of Orthopaedic & Traumatology, Cipto Mangunkusumo National Central Hospital, Faculty of Medicine, Universitas Indonesia, Jalan Diponegoro No. 71, Jakarta, Jakarta Pusat, 10430, Indonesia