Footnotes

• Contributors All authors included in the paper fulfill the following criteria of authorship: conception and design, or analysis and interpretation of data; drafting the article or revising it critically for important intellectual content; final approval of the version to be published.

• Competing interests None.

• Ethics approval This study was granted IRB approval by the University of Utah's Research Integrity and Compliance Office.

• Provenance and peer review Not commissioned; internally peer reviewed.