[1] Cleveland Clin, Dept Gen Surg, 9500 Euclid Ave Desk H18, Cleveland, OH 44195 USA
[2] Case Western Reserve Univ, Cleveland Clin, Lerner Coll Med, Cleveland, OH 44106 USA
[3] Rwanda Mil Hosp, Kigali, Rwanda
[4] Univ Chicago, Dept Radiat & Cellular Oncol, Chicago, IL 60637 USA
[5] Malcolm X Coll, Hlth Sci & Career Program, Chicago, IL USA