1 Faculty of Pharmacy, Universiti Teknologi MARA, Puncak Alam, Selangor, Malaysia. E-mail: wzana@moh.gov.my.
2 Department of Pharmacy, Hospital Kemaman, Kemamam, Terengganu, Malaysia.
3 Unit for Medication Outcomes Research and Education, Pharmacy, School of Medicine, University of Tasmania, Hobart, Australia E-mail: ming.long@bath.edu.