[1] City Hope Natl Med Ctr, Duarte, CA USA
[2] Univ Wurzburg, D-97070 Wurzburg, Germany
[3] Goethe Univ Frankfurt, D-60054 Frankfurt, Germany
[4] Univ Paris, F-75252 Paris, France
[5] Univ Chicago, Chicago, IL 60637 USA
[6] AO Papa Giovanni XXIII, Bergamo, Italy
[7] Univ Calif Los Angeles, Los Angeles, CA USA
[8] Amgen Munich GmbH, Munich, Germany
[9] Amgen Inc, Thousand Oaks, CA 91320 USA
[10] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA