Funding for this research was provided by:
National Institute of Nursing Research (R01NR013503)
Centers for Disease Control and Prevention (R49CE002474)
Text and Data Mining valid from 2019-06-27
Received: 27 January 2019
Revised: 5 June 2019
Accepted: 12 June 2019
First Online: 27 June 2019
Compliance with Ethical Standards
: The study was approved by the Institutional Review Board at the University of Pennsylvania (IRB Protocol #814745).
: The authors declare that they have no conflict of interest.
: The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health or the Centers for Disease Control.