1. Haematology Unit, Department of Internal Medicine, Miri Hospital, Ministry of Health, Sarawak, Malaysia
2. Department of Internal Medicine, Miri Hospital, Ministry of Health, Sarawak, Malaysia
3. Department of Ophthalmology, Miri Hospital, Ministry of Health, Sarawak, Malaysia
4. Department of Pathology, Sarawak General Hospital, Ministry of Health, Sarawak, Malaysia
5. Haematology Unit, Department of Internal Medicine, Sarawak General Hospital, Ministry of Health, Sarawak, Malaysia
6. Infectious Disease Unit, Department of Internal Medicine, Sarawak General Hospital, Ministry of Health, Sarawak, Malaysia