1. Centre for Quality Management of Medicines, Faculty of Pharmacy, Universiti Kebangsaan Malaysia , Jalan Raja Muda Abdul Aziz, Kuala Lumpur 50300, Malaysia
2. Sector for Biostatistics & Data Repository, National Institutes of Health, Ministry of Health Malaysia , Persiaran Murni, Setia Alam, Shah Alam, Selangor 40170, Malaysia
3. Department of Pharmacy, Hospital Duchess of Kent, Ministry of Health Malaysia , KM 3.2, Jalan Utara, Sandakan, Sabah 90000, Malaysia