Funding for this research was provided by:
Central Research Fund
Text and Data Mining valid from 2018-03-12
Received: 11 December 2017
Accepted: 30 January 2018
First Online: 12 March 2018
Ethics approval and consent to participate
: Ethical approval was obtained from the London School of Hygiene and Tropical Medicine (Ref 1092) and by the National Institute of Health and Development Research at the Indonesian Department of Health (Ref No. KS.02.01.2.1.2640). All respondents signed an informed consent form and were given an information sheet to keep after the interview. According to Indonesian ethical stipulations, each respondent was given a towel and a bar of soap as a token of appreciation at the close of the interview.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.