Lisa Carney Anderson is an assistant professor in the Department of Integrative Biology and Physiology at the University of Minnesota Medical School. The authors acknowledge Brandon Thiemann, DNP, CRNA, for assistance with data entry; and Brian Warzecha, MS, CRNA, and Melanie Zenzen, MS, CRNA, for assistance with data abstraction. Contact author: Kathleen Fagerlund, fager003@umn.edu. The authors have disclosed no potential conflicts of interest, financial or otherwise.