1. Department of Emergency, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
2. School of Nursing, Nanjing Medical University, Nanjing, China
3. Institute of Poisoning, Nanjing Medical University, Nanjing, P. R. China
4. Department of Cardiovascular, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China