1. Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
2. Tabriz Health Services Management Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
3. Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
4. Midwest Biomedical Research Foundation, Kansas City, MO, USA
5. Tabriz University of Medical Sciences, Tabriz, Iran