1. Department of Virology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
2. Department of Reproductive Health and Midwifery, Tarbiat Modares University, Tehran, Iran
3. Division of Clinical and Epidemiological Virology, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
4. Department of Virology, Pasteur Institute of Iran, Tehran, Iran
5. Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran