Funding for this research was provided by:
Zoll Medical Corporation (Not Applicable)
Received: 23 July 2019
Accepted: 1 April 2020
First Online: 16 April 2020
Ethics approval and consent to participate
: This investigation was approved by the New England Institutional Review Board (IRB #: 120170151), and written informed consent was obtained from all participants.
: Not applicable
: Author RP is a consultant for ZOLL Medical Corporation. Author JRG and LC are employed by ZOLL Medical Corporation.