Correction: Comparison of the efficacy of pioglitazone and metformin on ultrasound grade and liver enzymes level in patients with non-alcoholic fatty liver disease: A randomized controlled clinical trial

Affiliations

• ¹ Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
• ² Department of clinical pharmacy, Faculty of pharmacy, Tabriz University of Medical, Sciences, Tabriz, Iran.
• ³ Student Research Committee, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
• ⁴ Biotechnology Research Center, Tabriz University of Medical Sciences,Tabriz, Iran.