Aghamohammadi then returned to Iran .
Aghamohammadi then began his career as a physician and researcher until he decided to enroll in a medical sciences ' Ph. D. course in the Department of Pediatrics , Faculty of Medicine , University of Toyama , Toyama , Japan .
Aghamohammadi then returned to Iran and began his career as a physician and researcher until he decided to enroll in a medical sciences ' Ph. D. course in the Department of Pediatrics , Faculty of Medicine , University of Toyama , Toyama , Japan .