1. Department of Pediatric Emergency Medicine; Far Eastern Memorial Hospital; New Taipei City Taiwan
2. Department of Emergency Medicine; National Taiwan University Hospital; Taipei Taiwan
3. Department of Biomedical and Clinical Sciences, Luigi Sacco Hospital; University of Milan; Milan Italy
4. Department of Epidemiology; Johns Hopkins Bloomberg School of Public Health; Baltimore Maryland United States
5. Department of Pediatrics; National Taiwan University Hospital Yun-Lin Branch; Yunlin County Taiwan
6. Department of Pediatrics; National Taiwan University Children's Hospital; Taipei Taiwan
7. Graduate Institute of Toxicology, College of Medicine; National Taiwan University; Taipei Taiwan
8. Department of Epidemiology; Harvard T.H. Chan School of Public Health; Boston Massachusetts United States
9. Department of Emergency Medicine and Department of General Medicine; National Taiwan University Hospital Yun-Lin Branch; Yunlin County Taiwan