BMC Pregnancy and Childbirth, Volume 15, No. 1, Year 2015
BMC Health Services Research, Volume 16, No. 1, Year 2016
BMC Pregnancy and Childbirth, Volume 14, No. 1, Year 2014
Global Health Action, Volume 10, No. 1, Year 2017
Global Health Action, Volume 8, No. 1, Year 2015
Human Resources for Health, Volume 13, No. 1, Year 2015