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The institutional affiliations of the authors Fereidoun Azizi and Asghar Ghasemi are incorrect.
The correct affiliations are as follows— Fereidoun Azizi: Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran;
Asghar Ghasemi: Endocrine Physiology Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
