aDigestive Disease Research Center
bDepartment of Radiology, Shariati Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
cDivision of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, USA
dDepartment of Child and Adolescent Psychiatry, Erasmus Medical Center-Sophia Children's Hospital, Rotterdam, the Netherlands
Correspondence to Amir Pejman Hashemi Taheri, MD, Department of Radiology, Shariati Hospital, School of Medicine, Tehran University of Medical Sciences, North Kargar Ave, Tehran, Iran Tel: +98 912 3572714; fax: +98 21 82415400; e-mail: [email protected]
Received December 27, 2010
Accepted January 28, 2011