[1] Shahid Beheshti Univ Med Sci, Dept Radiol, Tehran, Iran
[2] Sydney Local Hlth Dist, Drug Hlth Serv, Sydney, NSW, Australia
[3] Shahid Beheshti Univ Med Sci, Dept Clin Toxicol, Tehran, Iran
[4] Shahid Beheshti Univ Med Sci, Neurosci Res Ctr, Tehran, Iran