1. Division of Emergency Critical Care Medicine, Department of Emergency Medicine Brigham and Women's Hospital Boston MA USA
2. Indonesia Medical Education and Research Institute Faculty of Medicine Universitas Indonesia Jakarta Indonesia
3. Emergency Department Cipto Mangunkusumo General Hospital Jakarta Indonesia
4. Department of Anesthesiology and Intensive Care Cipto Mangunkusumo General Hospital Jakarta Indonesia
5. Faculty of Medicine Universitas Indonesia Jakarta Indonesia
6. Emergency Medicine Massachusetts General Hospital Boston MA USA