Funding for this research was provided by:
National Heart, Lung, and Blood Institute (R01HL125440)
National Institute on Alcohol Abuse and Alcoholism (R01AA023187)
National Institute on Drug Abuse (P50DA039838)
National Institute of Biomedical Imaging and Bioengineering (U54EB020404)
Article History
First Online: 9 January 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with animals performed by any of the authors. Informed consent was obtained from all individual participants included in the study of HeartSteps.