ผู้เขียน: Charles E. Littlejohn

David E. Beck, MD, FASCRS, Department of Surgery, Vanderbilt Health, Spring Hill, TN, USA Charles E. Littlejohn, MD, FASCRS, Department of Surgery, Stamford Hospital, Stamford, CT, USA Guy R. Orangio, MD, FASCRS, Department of Surgery, Louisiana State University Health Science Center, New Orleans, LA, USA