1. Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran
2. Department of Virology, Iran University of Medical Sciences, Tehran, Iran
3. Department of Social Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
4. Nedmedica, Heerlen, Netherlands
5. Pediatric Hematology Oncology, Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Thalassemia Clinic, Tehran, Iran