Funding for this research was provided by:
National Institutes of Health (R01HL131730)
Received: 28 September 2017
Accepted: 3 January 2018
First Online: 7 February 2018
: Not applicable.
: The m-CCRP study received ethical approval from Indiana University’s Institutional Review Board (IRB #160595004), covering all participating sites. Important changes to the protocol will be submitted to the IRB for review. Informed consent will be obtained from all participants in the trial.
: Consent forms for the trial include consent for publication of results in peer-reviewed journals.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.