[1] UNIV NEWCASTLE UPON TYNE,DEPT MED,NEWCASTLE TYNE NE1 7RU,TYNE & WEAR,ENGLAND
[2] UNIV NEWCASTLE UPON TYNE,DEPT PATHOL,NEWCASTLE TYNE NE1 7RU,TYNE & WEAR,ENGLAND
[3] UNIV NEWCASTLE UPON TYNE,DEPT RADIOL & CLIN BIOCHEM & METAB MED,NEWCASTLE TYNE NE1 7RU,TYNE & WEAR,ENGLAND
[4] SUNDERLAND ROYAL INFIRM,RENAL UNIT,LONDON,ENGLAND