[1] Universiti Malaya,Department of Medicine, Faculty of Medicine
[2] Universiti Malaya,Academic Unit Trauma and Emergency, Faculty of Medicine
[3] Universiti Malaya,Department of Orthopaedic Surgery, Faculty of Medicine
[4] Hospital Sultan Ismail,Department of Medicine
[5] Hospital Seberang Jaya,Department of Medicine
[6] Parkcity Medical Centre,undefined