Received: 8 March 2019
Accepted: 25 October 2019
First Online: 11 November 2019
Ethics approval and consent to participate
: This study was deemed as exempt research by the University of Minnesota IRB (#1306S36782). All participants in this study signed informed consent statements after provision of a verbal description of the study and were further informed they could withdraw from the study at any time without consequence. The NPMs received a meal and no additional incentives to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.