1 Division of General Surgery, The William J. Maier Endowed Chair of Research, West Virginia University - Charleston Division, Charleston, WV. Electronic address: brichmond@hsc.wvu.edu.
2 Division of Gastrointestinal and Minimally Invasive Surgery, Department of Surgery, University of Kentucky, Lexington, KY.
3 Division of Gastrointestinal and Minimally Invasive Surgery, Department of Surgery, Center for Advanced Training and Simulation, University of Kentucky, Lexington, KY.
4 Charleston Area Medical Center, West Virginia University - Charleston Division, Charleston, WV.
5 Department of Surgery, University of Kentucky, Lexington, KY.