[1] Indiana Univ, Eastern Cooperat Oncol Grp, Melvin & Bren Simon Canc Ctr, Indianapolis, IN 46204 USA
[2] Dana Farber Canc Inst, Boston, MA 02115 USA
[3] Northwestern Univ, Chicago, IL 60611 USA
[4] Case Western Reserve Univ, Cleveland, OH 44106 USA
[5] Univ Pittsburgh, Inst Canc, Pittsburgh, PA USA
[6] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[7] Mayo Clin, Rochester, MN USA