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Authors' affiliations: 1Health Policy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran. 2Jackson State University, Jackson, MS, USA.
•Corresponding author and reprints: Hassan Joulaei Pharm D MPH, Health Policy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran. E-mail: Joulaei_h@yahoo.com
Accepted for publication: 13 May 2012 |