[1] Wake Forest Univ, Sch Med, Dept Publ Hlth Sci, Winston Salem, NC 27157 USA
[2] Benaroya Res Inst, Seattle, WA 98101 USA
[3] Roche Mol Syst, Alameda, CA 94501 USA
[4] Inst Pasteur, F-75724 Paris 15, France
[5] Western Australian Inst Med Res, Perth, WA 6000, Australia
[6] Steno Diabet Ctr, DK-2820 Gentofte, Denmark
[7] Univ Cambridge, JDRF Wellcome Trust Diabet Infammat Lab, Cambridge CB2 2XY, England