Rudolph Leibel, Robin Goland, Diane Mathis, Hongxia Ren, and Domenico Accili, Columbia University (image) Columbia University Medical Center Share Print E-Mail Caption Left to right shows Rudolph Leibel, M.D.; Robin Goland, M.D.; Diane Mathis, Ph.D.; Hongxia Ren, Ph.D.; and Domenico Accili, M.D. Credit Photo credit: Charles LeDuc, Ph.D./Columbia University Medical Center Usage Restrictions Credit required Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.