Text and Data Mining valid from 2018-05-11
Received: 23 March 2018
Accepted: 7 May 2018
First Online: 11 May 2018
Ethics approval and consent to participate
: Ethics approval was not required for this review.
: Dr. Megan Brenner is a Clinical Advisory Board Member––Prytime Medical Inc. All other authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.