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History
- Published online January 8, 2021.
Copyright & Usage
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
- Farid Zayeri,
- Anoshirvan Kazemnejad,
- Mojtaba Ganjali,
- Gholamreza Babaei,
- Navid Khanafshar and
- Fatemeh Nayeri
- Department of Biostatistics, School of Medical Sciences, Tarbiat Modarres University, Tehran, Iran.
- Department of Biostatistics, School of Medical Sciences, Tarbiat Modarres University, PO Box 14115-111, Tehran, Iran. Tel. +98 (21) 8013030. Fax. +98 (21) 8006544. E-mail: aklili{at}yahoo.com/ fzayeri{at}yahoo.com
- Department of Statistics, Faculty of Mathematical Sciences, Shahid Beheshti University, Tehran, Iran.
- Department of Biostatistics, School of Medical Sciences, Tarbiat Modarres University, Tehran, Iran.
- Department of Obstetrics and Gynecology, Tehran University of Medical Sciences, Tehran, Iran.
- Department of Neonatology, Tehran University of Medical Sciences, Tehran, Iran.
