1. Blood Services Group; Health Sciences Authority; Singapore City Singapore
2. Department of Surgery; Singapore General Hospital; Singapore City Singapore
3. Department of Haematology; Singapore General Hospital; Singapore City Singapore
4. Department of Anaesthesiology; Khoo Teck Puat Hospital; Singapore City Singapore
5. Department of Haematology; Tan Tock Seng Hospital; Singapore City Singapore
6. Department of Anaesthesiology; Tan Tock Seng Hospital; Singapore City Singapore
7. Department of Anaesthesiology; KK Woman's & Children's Hospital; Singapore City Singapore
8. Department of Haematology; National University Hospital; Singapore City Singapore
9. Paediatrics; National University Hospital; Singapore City Singapore
10. Department of Anaesthesiology; Changi General Hospital; Singapore City Singapore
11. Department of Anaethesiology; Jurong Health Services; Singapore City Singapore