Received: 7 June 2019
Accepted: 4 October 2019
First Online: 26 October 2019
Ethics approval and consent to participate
: The Education and Social/Behavioral Science Institutional Review Board at the University of Wisconsin-Madison deemed this study non-human subjects research (2017–1422) and therefore exempt from its review, given that the personal statements for this study were provided to the study team for analysis without identifiers, and the identities of the writers could not be ascertained.
: Not applicable.
: The authors declare that they have no competing interests.