[1] UNIV LEICESTER,DEPT MED,LEICESTER,LEICS,ENGLAND
[2] UNIV LEICESTER,DEPT CARDIOL,LEICESTER,LEICS,ENGLAND
[3] UNIV LEICESTER,DEPT OPHTHALMOL,LEICESTER,LEICS,ENGLAND
[4] WELLCOME TRUST CTR HUMAN GENET,OXFORD,ENGLAND
[5] FAC PHARM,URA CNRS 1483,LYON,FRANCE