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Article History

Received: 5 December 2017

Accepted: 10 January 2018

First Online: 6 February 2018

Authors’ information

: Maryam NikpourSuperscript removed: PhD Candidate, Social Determinants of Health Research Center, Health Research Institute, Babol.University of Medical Sciences, Babol, Iran; Aram Tirgar: PhD of Occupational Health, Associate Professor, Social Determinants of Health Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.; Abbas Ebadi: PhD of Nursing, Associate Professor of Behavioral Sciences Research Center, Nursing Faculty, Baqiygatallah University of Medical Sciences, Tehran, Iran; Fatemeh Ghaffari: PhD of Nursing, Assistant Professor, Ramsar Nursing Care Research Center, Babol University of Medical Sciences, Babol, Iran; Mojgan Firouzbakht: PhD Candidate, Social Determinants of Health Research Center, Health Research Institute, Babol.University of Medical Sciences, Babol, Iran; Mahmod Hajiahmadi: PhD of Statistics, Assistant Professor, Department of Biostatistics, Non Communicable Pediatric Disease Research Center, Babol University of Medical Sciences, Babol, Iran.

: This study has the ethical approval of the Ethics Committee of Babol University of Medical Sciences, Babol, Iran. (Reference no: MUBABOL,HRI.REC.1395.58). All participants will be provided with information about the aim of the study and their written consents will be secured.

: Not applicable

: The authors declare that they have no competing interests.

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