Text and Data Mining valid from 2018-07-11
Received: 13 October 2017
Accepted: 27 June 2018
First Online: 11 July 2018
Ethics approval and consent to participate
: The SAGE study was approved by the Ethics Review Committee, World Health Organization, Geneva, Switzerland and the individual ethics committees in each of the SAGE countries. Written informed consent was freely obtained from each individual participant. Confidential records of participants’ consent are maintained by WHO-SAGE country teams.
: The data used in this study were provided after completion of User’s agreement available through World Health Organization website. Informed consent was obtained from all respondents before the interviews were initiated.
: The authors declare that they have no competing interests.
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