Funding for this research was provided by:
Constellation (Patient Safety Research Grant)
Hitchcock Surgical Society (Resident research support)
Received: 26 April 2018
Accepted: 3 May 2019
First Online: 21 May 2019
: The authors declare no conflicts of interest.
: The Institutional Review Board for Human Subject Research Committee approved the study at Hennepin County Medical Center in accordance with the ethical standards of the institution and with the Helsinki declaration. Informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.