Harish Lavu1, Henry A Pitt2. 1. Department of Surgery, Thomas Jefferson University, 1025 Walnut Street, Suite 605, Philadelphia, PA, 19107, USA. Electronic address: Harish.Lavu@jefferson.edu. 2. Department of Surgery, Lewis Katz School of Medicine at Temple University, 3509 N. Broad Street, Boyer Pavilion, E938, Philadelphia, PA, 19140, USA. Electronic address: Henry.Pitt@tuhs.temple.edu.