1. From the Department of Surgery, Stanford University School of Medicine, Stanford, CA (Liebert, Lee, Korndorffer, Wren, Lin)
2. Surgical Services, VA Palo Alto Health Care System, Department of Veterans Affairs, Palo Alto, CA (Liebert, Korndorffer, Wren)
3. Department of Computational Media, Baskin School of Engineering, University of California- Santa Cruz, Santa Cruz, CA (Melcer, Shields)
4. Stanford-Surgery Policy Improvement Research and Education Center, Stanford, CA (Eddington, Trickey)
5. School of Medicine, University of Global Health Equity, Kigali, Rwanda (Bekele).