1. RIPAS Hospital, Bandar Seri Begawan BA1710, Brunei Darussalam
2. Department of Cardiology, Lady Reading Hospital, Postal Code, 25000, Peshawar, Pakistan
3. Faculty of Medicine, Menoufia University, Egypt
4. Department of Nephrology, Lady Reading Hospital, Postal Code 25000, Peshawar, Pakistan
5. PAPRSB Institute of Health Sciences, Universiti Brunei Darussalam, Brunei Darussalam
6. Department of Medicine, RIPAS Hospital, Bandar Seri Begawan BA1710, Brunei Darussalam
7. Department of Renal Medicine, RIPAS Hospital, Bandar Seri Begawan BA1710, Brunei Darussalam