Article History
Accepted: 4 March 2021
First Online: 17 March 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Yale University and the State of Connecticut Office of Early Childhood Institutional Review Boards. The study was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent was obtained from all individual participants included in the study.