1. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Faculty of Medicine, Thammasat University, Pathumthani, Thailand
2. Department of Medicine, Faculty of Medicine, Thammasat University, Pathumthani, Thailand
3. Department of Emergency Medicine, Faculty of Medicine, Thammasat University, Pathumthani, Thailand
4. Division of Cardiothoracic Surgery, Department of Surgery, Faculty of Medicine, Thammasat University, Pathumthani, Thailand
5. Department of Clinical Epidemiology, Faculty of Medicine, Thammasat University, Pathumthani, Thailand
6. Division of Nephrology, Department of Medicine, Faculty of Medicine, Thammasat University, Pathumthani, Thailand