Received: 19 March 2020
Accepted: 25 August 2020
First Online: 3 September 2020
Ethics approval and consent to participate
: Ethical approval certificates were obtained by The Demographic and Health Surveys (DHS).Ethical Approval for India and Nepal was obtained from Institutional Review Board, ICF International.India ICF Project Number: 631561.0.000.00.071.01.Nepal ICF Project Number: 132989.0.000.NP.DHS.01.
: Not applicable.
: The authors have declared that no competing interests exist.