Text and Data Mining valid from 2019-12-01
Received: 10 May 2019
Accepted: 4 December 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: The Yale University Human Investigation Committee determined that this project is quality improvement, not requiring IRB review, on 2/26/19. Because participation was voluntary and occurred in the course of normal educational activities, written informed consent was considered unnecessary.
: Not applicable.
: The authors declare that they have no competing interests.