1. Discipline of Social and Administrative Pharmacy; School of Pharmaceutical Sciences; Universiti Sains Malaysia; Penang Malaysia
2. School of Pharmaceutical Sciences; Universiti Sains Malaysia; Penang Malaysia
3. Faculty of Pharmacy; Universiti Teknologi MARA (UiTM); Penang Malaysia
4. College of Pharmacy; King Saud University; Riyadh Saudi Arabia
5. Discipline of Physiology; School of Pharmaceutical Sciences; Universiti Sains Malaysia; Penang Malaysia