1. Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences, Birjand, Iran
2. Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran
3. MB Counselling Clinic, Dublin, Ireland
4. IPN Communications (Hospital Pharmacy News), Dublin, Ireland
5. Department of Biostatistics, Mashhad University of Medical Science, Mashhad, Iran
6. Rocky Mountain Poison and Drug Center, Denver Health and Hospital Authority, Denver, CO, USA