Author/Authors :
Boghratian, Amirhossein Colorectal Research Center - Iran University of Medical Sciences, Tehran, Iran , Rakhshani, Nasser Gastrointestinal and Liver Diseases Research Center - Iran University of Medical Sciences, Tehran, Iran , Vafaeimanesh, Jamshid Clinical Research Development Center - Qom University of Medical Sciences, Qom, Islamic Republic of Iran