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History
- Published online January 8, 2021.
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Copyright: © Saudi Medical Journal This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Author Information
- Department of Biostatistics, School of Medical Sciences, Tarbiat Modarres University, PO Box 14115-111, Tehran, Iran. Tel. +98 (21) 88989126. Fax. +98 (21) 88989127. E-mail: zeraatih@tums.ac.ir
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
- Department of Biostatistics, School of Medical Sciences, Tarbiat Modarres University, Tehran, Iran.
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.