1. Department of Anaesthesiology and OT Services, Queen Elizabeth Hospital, Hong Kong
2. Department of Anaesthesia and Operating Theatre Services, Tuen Mun Hospital, Hong Kong
3. Department of Anaesthesia and Operating Theatre Services, Tseung Kwan O Hospital, Hong Kong
4. Department of Anaesthesiology, Pamela Youde Nethersole Eastern Hospital, Hong Kong
5. Hong Kong Red Cross Blood Transfusion Service, Hong Kong
6. Private Practice, Hong Kong
7. Department of Anaesthesia, Princess Margaret Hospital, Hong Kong
8. Department of Anaesthesia and Intensive Care, Prince of Wales Hospital, Hong Kong