Noncommunicable Diseases Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran. Department of Neurology, Faculty of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran. Geriatric Care Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran. Department of Medical Surgical Nursing, Faculty of Nursing and Midwifery, Rafsanjan University of Medical Sciences, Rafsanjan, Iran. Immunology of Infectious Diseases Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran. Department of Immunology, Faculty of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran. Department of Epidemiology and Biostatistics, Faculty of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran. Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran. Department of Clinical Biochemistry, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran.