Published on in Vol 7, No 4 (2019): April
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12547, first published
.

1 The Children's Hospital of Philadelphia , Philadelphia, PA, US
2 The Children's Hospital of Philadelphia, University of Pennsylvania , Philadelphia, PA, US
3 Social Work and Clinical and Translational Science, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, US
4 Rutgers University Camden, The Children's Hospital of Philadelphia , Camden, NJ, US