[1] UNIV WESTERN ONTARIO,UNIV HOSP,LONDON N6A 5A5,ONTARIO,CANADA
[2] HOSP SICK CHILDREN,TORONTO M5G 1X8,ONTARIO,CANADA
[3] ST BARTHOLOMEWS HOSP,CTR CLIN RES,LONDON EC1A 7BE,ENGLAND
[4] UNIV DUSSELDORF,DIABET RES INST,W-4000 DUSSELDORF 1,GERMANY
[5] STENO MEM HOSP,HAGEDORN RES,DK-2820 GENTOFTE,DENMARK