Funding for this research was provided by:
National Institutes of Health (R01-DA033958, R21-DA046188)
Article History
Received: 10 November 2019
Accepted: 27 July 2020
First Online: 17 August 2020
Compliance with ethical standards
:
: Souvik Seal, Jeffrey A. Boatman, Saonli Basu, and Matt McGue have no conflict of interests to declare.
: As part of the Genes, Environment and Development Initiative (GEDI), the Minnesota Center for Twin and Family Research (MCTFR) undertook a genome-wide association study (GWAS). The procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national).
: Informed consent was obtained from all individual participants included in the study.