1. Department of Pharmacy, Selayang Hospital, Selayang, Malaysia
2. Department of Nephrology, Selayang Hospital, Selayang, Malaysia
3. Clinical Research Center, Selayang Hospital, Selayang, Malaysia
4. Faculty of Pharmacy, The National University of Malaysia, Bandar Baru Bangi, Kuala Lumpur, Malaysia
5. Department of Pathology, Selayang Hospital, Selayang, Malaysia