Affiliation: | 1. Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran;2. Gastroenterology and Hepatology Diseases Research Center, Qom University of Medical Sciences, Qom, Iran;3. Department of Anesthesiology and Critical Care, Qom University of Medical Sciences, Qom, Iran;4. Department of Anesthesiology and Critical Care, Shahid Beheshti University of Medical Sciences, Tehran, Iran;5. Department of Radiopharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran;6. Health Information Technology, Tehran University of Medical Sciences, Tehran, Iran |