1. Department of Emergency Medicine, Faculty of Medicine Chiang Mai University Chiang Mai Thailand
2. Department of Emergency Medicine University of California Davis Sacramento California USA
3. Department of Emergency Medicine University of Rochester Medical Center Rochester New York USA
4. Department of Emergency Medicine Vanderbilt University Medical Center Nashville Tennessee USA
5. Department of Emergency Medicine Icahn School of Medicine at Mount Sinai New York City New York USA
6. Department of Emergency Medicine Columbia University Irving Medical Center New York City New York USA