Correction: The Effects of Folate Supplementation on Diabetes Biomarkers Among Patients with Metabolic Diseases: A Systematic Review and Meta-Analysis of Randomized Controlled Trials - Akbari, Maryam; Tabrizi, Reza; Lankarani, Kamran B.; Heydari, Seyed Taghi; Karamali, Maryam; Keneshlou, Fariba; Niknam, Kayvan; Kolahdooz, Fariba; Asemi, Zatollah (Hormone and Metabolic Research, 2018)