[1] Queen Elizabeth Hosp, Minist Hlth Malaysia, Dept Surg, Kota Kinabalu, Sabah, Malaysia
[2] Univ Malaysia Sabah, Dept Emergency Med, Fac Med & Hlth Sci, Kota Kinabalu, Sabah, Malaysia
[3] Univ Malaysia Sabah, Dept Surg, Fac Med & Hlth Sci, Kota Kinabalu, Sabah, Malaysia