Received: 12 May 2017
Accepted: 20 February 2018
First Online: 2 March 2018
Ethics approval and consent to participate
: The 2014 BDHS received ethics approval from the Ministry of Health and Family Welfare, Bangladesh. The 2014 BDHS received written consent from each individual or her legal guardian.
: Not applicable for this study.
: The authors declare that they have no competing interests.
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