Reporting Recommendations for Tumor Marker Prognostic Studies

[1 ]Biometric Research Branch, National Cancer Institute, Bethesda, MD

[2 ]Medical Statistics Group, Cancer Research UK, Centre for Statistics in Medicine, Wolfson College, Oxford, UK

[3 ]Institut fuer Medizinische Biometrie und Medizinische Informatik, Universitaetsklinikum Freiburg, Freiburg, Germany

[4 ]Cancer Diagonisis Program, National Cancer Institute, Bethesda, MD

[5 ]Centro Regionale Indicatori Biochimici di Tumore, Ospedale Civile, Venezia, Italy

[6 ]OSI Pharmaceuticals Inc, Boulder, CO