1. Department of Emergency Medicine, Ehime University, Tohon City, Japan.
2. Department of Pediatrics, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, Taiwan.
3. Division of Neurology, Department of Medicine, Thammasat University, Pathumthani, Thailand.
4. Department of Emergency Medicine, Singapore General Hospital, Singapore, Singapore.
5. Department of Emergency Medicine, National Taiwan University Hospital, Taipei, Taiwan.