Institution: | 1. Veterans Affairs Greater Los Angeles Healthcare System , Los Angeles , California , USA;2. UCLA Center for Excellence in Pancreatic Diseases , University of California Los Angeles , Los Angeles , California , USA;3. Cedars-Sinai Medical Center , Los Angeles , California , USA;4. UCLA Center for Excellence in Pancreatic Diseases , University of California Los Angeles , Los Angeles , California , USA;5. UCLA Center for Excellence in Pancreatic Diseases , University of California Los Angeles , Los Angeles , California , USA |