1. Pharmacy Department, Hospital Seberang Jaya, Penang, Malaysia
2. Discipline of Social and Administrative Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 Penang, Malaysia
3. Discipline of Social and Administrative Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang, Malaysia
4. Pharmaceutical Services Division, Penang, Malaysia