Affiliation: | (1) Division of General Surgery, K-8, Henry Ford Hospital, 2799 West Grand Boulevard, Detroit, MI 48202, USA;(2) Durham Surgical Associates, Durham, NC, USA;(3) Emory University, Atlanta, GA, USA;(4) Stanford University, Palo Alto, CA, USA;(5) Whisper Communications, Kingston, WA, USA;(6) Virginia-Mason Medical Center, Seattle, WA, USA |