1. Department of Internal Medicine, Shahid Beheshti Hospital, Babol University of Medical Sciences, Babol
2. Department of Clinical Pharmacy, Faculty of Pharmacy
3. Department of Emergency Medicine, Faculty of Medicine
4. Toxicology and Forensic Medicine Division, Mazandaran Registry Center for Opioids Poisoning, Orthopedic Research Center, Imam Khomeini Hospital, Mazandaran University of Medical Sciences, Sari, Iran