Widodo W., Department of Orthopaedic and Traumatology, Cipto Mangunkusumo Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Widyahening I.S., Department of Community Medicine, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Pratama I.K., Department of Orthopaedic and Traumatology, Cipto Mangunkusumo Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Kuncoro M.W., Department of Orthopaedic and Traumatology, Cipto Mangunkusumo Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia