Crossland, Nicola http://orcid.org/0000-0003-1063-8123
Kingdon, Carol
Balaam, Marie-Clare
Betrán, Ana Pilar
Downe, Soo
Funding for this research was provided by:
UNDP/UNFPA/UNICEF/WHO/World Bank Special Programme of Research (N/A)
Article History
Received: 20 January 2020
Accepted: 28 April 2020
First Online: 1 June 2020
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: Ana Pilar Betrán is a member of the editorial board of BMC Reproductive Health. The authors have no other competing interests to declare.