Funding for this research was provided by:
National Institutes of Health (T32DA1391, R25MH8362)
Johns Hopkins Center for Global Health
Johns Hopkins Center for Qualitative Studies into Health and Medicine University
Text and Data Mining valid from 2018-07-02
First Online: 2 July 2018
Compliance with Ethical Standards
: The authors declare that they have no conflicts of interest.
: All procedures preformed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obstained from all individual participants included in the study.