Funding for this research was provided by:
National Science Foundation of Sri Lanka (1650114)
National Institute of Mental Health (R01 MH104324, R01 MH116961)
Received: 16 March 2020
Accepted: 5 November 2020
First Online: 11 January 2021
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board at the University of Minnesota. Parental permission was provided for all infant participants. This study was carried out in accordance with The Code of Ethics of the World Medical Association (Declaration of Helsinki).
: Not applicable.
: The authors have no financial competing interests. JJW led the creation/development of the RBS-EC, which is freely available.