Affiliation
John Hopkins University, Baltimore, MD.; University of Pittsburgh, Pittsburgh, PA.; Saint Louis University, Saint Louis, MO.; University of Washington, Seattle, WA.; University of California, San Francisco, CA.; University of Toronto, Toronto, Ontario, Canada.; University of Pittsburgh, Pittsburgh, PA.; University of Texas Southwestern Medical Center, Dallas, TX.; University of Minnesota, Minneapolis, MN.; National Institute of Diabetes and Digestive Diseases, National Institutes of Health, Bethesda, MD.; Saint Louis University, Saint Louis, MO.