1. Department of Medical Microbiology Faculty of Medicine and Health Sciences Universiti Putra Malaysia Serdang Malaysia
2. Department of Pharmacology Faculty of Pharmacy Sana’a University Sana’a Secretariat Yemen
3. Department of Community Health Faculty of Medicine and Health Sciences Universiti Putra Malaysia Serdang Malaysia
4. Department of Biomedical Sciences Faculty of Medicine and Health Sciences Universiti Putra Malaysia Serdang Malaysia
5. Department of Medical Microbiology Faculty of Medicine Lincoln University College Petaling Jaya Malaysia