Nutrition and Metabolic Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran. Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran. Hyperlipidemia Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran. Department of Nutrition, School of Para-Medical Sciences, Ahvaz Jundishapur University of Medical Science, Ahvaz, Iran. Clinical Research Development Unit, Golestan Hospital, Ahvaz Jundishapur University of Medical Science, Ahvaz, Iran. Research Center of Thalassemia & Hemoglobinopathy, Health Research Institute, Ahvaz Jundishapur University of Medical Science, Ahvaz, Iran. Alimentary Tract Research Center, Ahvaz Imam Hospital, Ahvaz Jundishapur University of Medical Science, Ahvaz, Iran. Department of Epidemiology, and Biostatistics, School of public health, Ahvaz Jundishapur University of Medical Science, Ahvaz, Iran.