Received: 11 June 2018
Revised: 26 July 2018
Accepted: 14 August 2018
First Online: 21 September 2018
Compliance with ethical standards
: Drs. Dillman and Trout receive funding from Guerbet regarding clinical trial design. Dr. Dillman also receives funding from Bracco Diagnostics related to contrast-enhanced ultrasound. Dr. Davenport has no disclosures.