About the Authors

Mats Målqvist

mats.malqvist@kbh.uu.se

Affiliation International Maternal and Child Health, Department of Women’s and Children’s Health, Uppsala University, Uppsala, Sweden

Beibei Yuan

Affiliation Peking University, China Center for Health Development Studies, Beijing, China

Nadja Trygg

Affiliation Department of Public Health Sciences, Global Health/IHCAR, Karolinska Institutet, Solna, Sweden

Katarina Selling

Affiliation International Maternal and Child Health, Department of Women’s and Children’s Health, Uppsala University, Uppsala, Sweden

Sarah Thomsen

Affiliation Department of Public Health Sciences, Global Health/IHCAR, Karolinska Institutet, Solna, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MM BY ST. Analyzed the data: MM BY NT KS. Wrote the paper: MM BY ST. Developed search string: BY NT. Performed statistical analysis: KS.