[1] Univ Alabama Birmingham, Birmingham, AL USA
[2] Baylor Res Inst, Dallas, TX USA
[3] Duke Univ, Med Ctr, Durham, NC USA
[4] Wake Forest Univ, Bowman Gray Sch Med, Winston Salem, NC USA
[5] Virginia Piper Canc Inst, Minneapolis, MN USA
[6] Leon Hess Canc Ctr, Brain Tumor Ctr, Long Branch, NJ USA
[7] Merck KGaA, Darmstadt, Germany
[8] Henry Ford Hlth Syst, Detroit, MI USA