[1] Univ Malaysia Sabah, Fac Med & Hlth Sci, Dept Obstet & Gynaecol, Kota Kinabalu, Sabah, Malaysia
[2] Helios St Johannes Klinikum, Dept Dermatol, Duisburg, Germany
[3] Univ Malaysia Sabah, Fac Med & Hlth Sci, Dept Publ Hlth Med, Family Med Unit, Kota Kinabalu, Sabah, Malaysia
[4] Univ Malaysia Sabah, Fac Med & Hlth Sci, Dept Publ Hlth Med, Kota Kinabalu, Sabah, Malaysia
[5] Univ Malaysia Sabah, Fac Med & Hlth Sci, Dept Emergency Med, Kota Kinabalu, Sabah, Malaysia
[6] Univ Malaysia Sabah, Fac Med & Hlth Sci, Dept Surg, Kota Kinabalu, Sabah, Malaysia
[7] Univ Malaysia Sabah, Fac Business Econ & Accountancy, Kota Kinabalu, Sabah, Malaysia