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