1. Department of HaematologyTan Tock Seng Hospital Singapore
2. Department of Laboratory MedicineKhoo Teck Puat Hospital Singapore
3. Lee Kong Chian School of Medicine Singapore
4. Yong Loo Lin School of Medicine Singapore
5. Department of Infectious DiseasesTan Tock Seng Hospital Singapore
6. National Centre for Infectious Diseases Singapore
7. Department of Laboratory MedicineTan Tock Seng Hospital Singapore