Article History
Received: 22 March 2019
Accepted: 19 August 2019
First Online: 6 September 2019
Ethics approval and consent to participate
: The UAB IRB approved this study, protocol number X150910010.
: All participants provided written consent.
: Dr. Brown is a consultant to HDT Global, the company that markets and sells the device mentioned in this paper. Dr. Brown is also a named inventor on the intellectual property associated with the device and does receive royalties for any sales of the device. Ms. Naidu and Dr. Graham do not have any competing interests.