About the Authors

Nicola Low

nicola.low@ispm.unibe.ch

Affiliation Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland

Nathalie J. Broutet

Affiliation Department of Reproductive Health Research, World Health Organization, Geneva, Switzerland

Competing Interests

We have read the journal's policy and have the following conflicts: NL receives a stipend as a Specialty Consulting Editor for PLOS Medicine, and serves on the journal’s editorial board.