Received: 3 April 2019
Accepted: 10 October 2019
First Online: 27 November 2019
Ethics approval and consent to participate
: The study protocol was approved by the Institutional Review Board of the Yale University School of Medicine. Informed and written consents were obtained from study participations prior to enrollment in the study.
: The authors do not have a commercial or other association that might pose a conflict of interest, i.e., authors declare that they have no competing interests to disclose.