1. Emergency Department, Wan Fang Hospital, Taipei Medical University , Taipei , Taiwan
2. Department of Emergency Medicine, School of Medicine, College of Medicine, Taipei Medical University , Taipei , Taiwan
3. Research Center of Big Data and Meta-Analysis, Wan Fang Hospital, Taipei Medical University , Taipei , Taiwan
4. Department of Internal Medicine, Division of Infectious Diseases, Wan Fang Hospital, Taipei Medical University , Taipei , Taiwan