[1] MD Anderson Canc Ctr, Houston, TX USA
[2] Univ Calif Los Angeles, Los Angeles, CA USA
[3] Univ Heidelberg, D-6800 Mannheim, Germany
[4] Karmanos Canc Inst, Detroit, MI USA
[5] CHU La Miletrie, Poitiers, France
[6] Univ Leipzig, D-7010 Leipzig, Germany
[7] Inst Natl Tumori, Milan, Italy
[8] Dana Farber Canc Inst, Boston, MA USA
[9] Univ Mainz, D-6500 Mainz, Germany
[10] NHLBI, Bethesda, MD 20892 USA
[11] Univ Michigan, Ann Arbor, MI 48109 USA
[12] Oregon Hlth Sci Univ, Portland, OR 97201 USA