[1] CHRISTIE HOSP NHS TRUST, CRC, DEPT MED ONCOL, MANCHESTER M20 4BX, LANCS, ENGLAND
[2] UNIV HOSP BERN, CH-3010 BERN, SWITZERLAND
[3] CHRISTIE HOSP NHS TRUST, CRC, DEPT CANC GENET, PATERSON INST CANC RES, MANCHESTER M20 4BX, LANCS, ENGLAND
[4] WYTHENSHAWE HOSP, DEPT PATHOL, MANCHESTER M23 9LT, LANCS, ENGLAND