1. Department of Cellular and Physiological Sciences (L.A.H., M.S., G.L.H.), Life Sciences Institute, University of British Columbia, British Columbia, Canada V6T 1Z3
2. Endocrine Unit (D.A.V., A.P., I.P., D.H.), Second Department of Internal Medicine-Research Institute and Diabetes Center, Attikon University Hospital, Athens University Medical School, Athens 12462, Greece