1. Chulalongkorn University
2. King Chulalongkorn Memorial Hospital
3. Buddhachinaraj Hospital
4. Pulmonary and Critical Care Medicine, Department of Medicine, Chaophraya Abhaibhubejhr Hospital
5. Trauma Surgery, Department of Surgery, Faculty of Medicine, Siriraj Hospital
6. Excellence Center for Critical Care Medicine, King Chulalongkorn Memorial Hospital
7. Critical Care Medicine, Department of Medicine, Faculty of Medicine, Chulalongkorn University
8. St. Michael's Hospital