Document Type : Research Article
Authors
1 Brain and Spinal Cord Injury Research Center, Imam Khomeini Hospital, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, IR Iran
2 Department of Biostatistics and Epidemiology, Tehran University of Medical Sciences, Tehran, IR Iran
3 Department of Midwifery and Reproductive Health, Faculty of Medical Sciences, Tarbiat Modarres University, Tehran, IR Iran
4 Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, IR Iran
Abstract
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