Affiliation: | 1. Section of Islet Cell and Regenerative Biology, Joslin Diabetes Center, Harvard Medical School, Boston, MA 02215, USA;2. Graduate Program in Areas of Basic and Applied Biology (GABBA), Abdel Salazar Biomedical Sciences Institute, University of Porto, 5000 Porto, Portugal;3. Department of Medicine, Brigham and Women''s Hospital, Harvard Medical School, Boston, MA 02215, USA |