Received: 8 March 2020
Accepted: 18 June 2020
First Online: 24 June 2020
Ethics approval and consent to participate
: Not applicable to humans. All animal experiments were conducted in accordance with the Northeastern University Division of Laboratory Animal Medicine and Institutional Animal Care and Use Committee.
: Not applicable.
: CFF has a financial interest in Animal Imaging Research, the company that makes the RF electronics and holders for animal imaging.