1. Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak; Department of Medicine; 94300 Kota Samarahan Sarawak Malaysia
2. Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak; Department of Community Medicine and Public Health; 94300 Kota Samarahan Sarawak Malaysia
3. University Kebangsaan Malaysia Medical Center; Department of Pathology; Jalan Yaakob Latif Kuala Lumpur Wilayah Persekutuan Malaysia 56000
4. Christian Medical College; Cochrane South Asia, Prof. BV Moses Center for Evidence-Informed Health Care and Health Policy; Carman Block II Floor CMC Campus, Bagayam Vellore Tamil Nadu India 632002