Text and Data Mining valid from 2019-05-17
Received: 8 February 2019
Accepted: 16 April 2019
First Online: 17 May 2019
Ethics approval and consent to participate
: Written informed consent for participation in this study was obtained using a University of Utah IRB approved protocol.
: Written informed consent was obtained for the publication of photographs.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.