1. Department of Medicine The University of Hong Kong Hong Kong China
2. Department of Adult Intensive Care Queen Mary Hospital Hong Kong China
3. Department of Anaesthesia and Intensive Care The Chinese University of Hong Kong Hong Kong China
4. Department of Intensive Care Queen Elizabeth Hospital Hong Kong China
5. Department of Intensive Care Tuen Mun Hospital Hong Kong China
6. Department of Intensive Care Princess Margaret Hospital Hong Kong China
7. Department of Intensive Care Pamela Youde Nethersole Eastern Hospital Hong Kong China
8. Department of Anaesthesiology The University of Hong Kong Hong Kong China