A R McIntosh C L Grady L G Ungerleider J V Haxby S I Rapoport B Horwitz

hamid noshad department of nephrology, sina hospital, tabriz university of medical sciences, tabriz, iran mehrzad hajialilo department of rheumatology, imam reza hospital, tabriz university of medical sciences, tabriz, iran reza mohammadian department of interventional neurology, tabriz university of medical sciences, tabriz, iran ali reza khabbazi department of rheumatology, imam reza hospital, tabriz university of medical sciences, tabriz, iran mohammad hossein daghighi department of radiology, tabriz university of medical sciences, tabriz, iran parviz saleh department of infectious disease, tabriz university of medical sciences, tabriz, iran