RETRACTED: Aerobic endurance training improves weight loss, body composition, and co-morbidities in patients after laparoscopic Roux-en-Y gastric bypass

This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).This article has been retracted at the request of the Editor-in-Chief.This article has been retracted as the senior author, Dr. Edward Shang, claimed that 60 patients had undergone gastric bypass whereas only 21 patients had undergone surgery during this time period. Dr. Shang was unable to provide the raw data for the study, the name of a single patient, or a witness to patient entrance into the trial. Dr. Shang has agreed to withdraw this manuscript from publication.