Funding for this research was provided by:
Emory University (Professional Development Support Award)
National Institute on Drug Abuse (R34 DA035094)
Received: 16 August 2017
Accepted: 7 September 2017
First Online: 16 September 2017
Ethics approval and consent to participate
: Ethics approval for the study has been granted by the Emory University IRB (ref ID IRB00077689) and Medical Ethics Committee of the Ministry of Health and Social Protection of Tajikistan. All participants provided oral consent.
: Not applicable.
: The authors declare that they have no competing interests.
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