Development of an intercurrent infection

Prior gastric, duodenal, proximal jejunal surgery or pancreas resection

Current use of thiazolidinediones

Current use of dipeptidyl peptidase-IV inhibitors (e.g., sitagliptin) or glucagon-like peptide-1 analogs (e.g., exenatide)

Any condition felt by the PI or co-investigators to interfere with ability to complete the study

Early Diabetes Resolution After Weight Loss Surgery