[1] UNIV ZURICH, INST PATHOL, DIV CANC RES, BIRCHSTR 95, CH-8050 ZURICH, SWITZERLAND
[2] UNIV HOSP ZURICH, DEPT RHEUMATOL, DIV RES, CH-8091 ZURICH, SWITZERLAND
[3] INST CANC RES, HADDOW LABS, SUTTON SM2 5PX, SURREY, ENGLAND
[4] ROYAL MARSDEN HOSP, LONDON, ENGLAND
[5] JOHN RADCLIFFE HOSP, DEPT HAEMATOL, OXFORD OX3 9DU, ENGLAND
[6] UNIV HOSP ZURICH, DEPT EAR NOSE & THROAT, CH-8091 ZURICH, SWITZERLAND
[7] LUDWIG INST CANC RES, SUTTON, SURREY, ENGLAND
[8] UNIV ZURICH, INST PHARMACOL & BIOCHEM, CH-8057 ZURICH, SWITZERLAND
[9] STATE UNIV GHENT HOSP, DEPT RADIOTHERAPY & NUCL MED, B-9000 GHENT, BELGIUM