mohammadali kamali department of traditional medicine, school of traditional medicine, shahid beheshti university of medical sciences, tehran, iran mahmoud khodadoost department of traditional medicine, school of traditional medicine, shahid beheshti university of medical sciences, tehran, iran; department of traditional medicine, school of traditional medicine, shahid beheshti university of medical sciences, tehran, iran mojtaba heydari research center for traditional medicine and history of medicine, shiraz university of medical sciences, shiraz, iran hamid tavakoli integrative functional gastroenterology research center, isfahan university of medical sciences, isfahan, iran homa hajimehdipoor traditional medicine and materia medica research center and department of traditional pharmacy, school of traditional medicine, shahid beheshti university of medical sciences, tehran, iran payman adibi integrative functional gastroenterology research center, isfahan university of medical sciences, isfahan, iran