[1] ODENSE UNIV HOSP,DEPT NEPHROL,DK-5000 ODENSE,DENMARK
[2] ODENSE UNIV HOSP,TISSUE CULTURE LAB,DK-5000 ODENSE,DENMARK
[3] SKEJBY UNIV HOSP,DEPT CLIN IMMUNOL,SKEJBY,DENMARK
[4] CANC REGISTRY,STOCKHOLM,SWEDEN
[5] SAHLGRENS UNIV HOSP,DIV TRANSPLANTAT & LIVER SURG,S-41345 GOTHENBURG,SWEDEN
[6] MALMO GEN HOSP,DEPT MED,NEPHROL SECT,S-21401 MALMO,SWEDEN
[7] UNIV HELSINKI,CENT HOSP,DEPT SURG 9,HELSINKI,FINLAND
[8] SKEJBY UNIV HOSP,DEPT UROL,TRANSPLANTAT SURG SECT,SKEJBY,DENMARK
[9] HVIDOVRE MUNICIPAL HOSP,DEPT NEPHROL,HVIDOVRE,DENMARK
[10] ACAD HOSP,DEPT UROL,TRANSPLANTAT SECT,UPPSALA,SWEDEN
[11] ACAD HOSP,DEPT SURG,UPPSALA,SWEDEN
[12] CANC REGISTRY NORWAY,OSLO,NORWAY
[13] ULLEVAL HOSP,DEPT 7,OSLO,NORWAY
[14] ODENSE UNIV,INST COMMUNITY HLTH,HVIDOVRE,DENMARK
[15] NATL HOSP NORWAY,DEPT SURG B,OSLO,NORWAY
[16] HERLEV CTY HOSP,DEPT NEPHROL B,COPENHAGEN,DENMARK
[17] STATE UNIV HOSP COPENHAGEN,COPENHAGEN,DENMARK
[18] UNIV LUND HOSP,DEPT NEPHROL,S-22185 LUND,SWEDEN
[19] HUDDINGE HOSP,DEPT TRANSPLANTAT SURG,S-14186 HUDDINGE,SWEDEN
[20] FINNISH CANC REGISTRY,SF-00170 HELSINKI,FINLAND