Solomon Tesfaye, MB ChB, M.D., F.R.C.P. University of Sheffield, Director of Diabetes Research Royal Hallamshire HospitalGlossop Rd., Sheffield S10 2JF, UKsolomon.tesfaye@nhs.netChristopher H. Gibbons, M.D., M.M.Sc. Beth Israel Deaconness Medical center Palmer 111, Boston MA 02215cgibbons@bidmc.harvard.eduRayaz Ahmed Malik, MSc., MBChB, Ph.D.Room C004, Weill Cornell Medicine-QatarPO Box 24144Doha, Qatar ram2045@qatar-med.cornell.edu ?Aristidis Veves, M.D., DSc, MScBeth Israel Deaconess Medical Center One Deaconess Road, Palmer 321ABoston, MA 02215aveves@bidmc.harvard.edu