Valery, Patricia C. http://orcid.org/0000-0002-8823-3006
Powell, Elizabeth E. http://orcid.org/0000-0001-5008-8061
Article History
First Online: 29 May 2019
Competing interests
: E.E.P. received an unrestricted educational grant from Siemens Healthineers in 2016. P.C.V. declares no competing interests.