1. Student Research Committee, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2. Student Research Committee, Faculty of Medicine, Medical University of Qom, Qom, Iran
3. School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
4. Critical Care Quality Improvement Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
5. Digestive Disease Research Center, Tehran University of Medical Sciences, Tehran, Iran
6. Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran