Funding for this research was provided by:
World Health Organization (201844593)
Text and Data Mining valid from 2019-06-11
Received: 28 August 2018
Accepted: 28 May 2019
First Online: 11 June 2019
Ethics approval and consent to participate
: The study received the ethical approval from the Hamadan University of Medical Sciences IR.UMSHA.REC.1396.824. Existing administrative data were used to data collection. In case of home visits and interview, we obtained agreement of study participants using verbal consent. Because of lack of any invasive/ noninvasive procedures on participants and condition of the study setting, we preferred verbal instead of written consent form to report the history of their children’s immunization. Protocol of this study has been approved by Hamadan University of Medical Sciences as well.
: Not applicable.
: The authors declare that they have no competing interests.