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