[1] Yale Univ, Sch Med, New Haven, CT USA
[2] Upstate Carolina CCOP, Spartanburg, SC USA
[3] Roswell Pk Canc Inst, Buffalo, NY 14263 USA
[4] Univ Oklahoma, Oklahoma City, OK USA
[5] Mem Sloan Kettering Canc Ctr, New York, NY 10021 USA
[6] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[7] St Vincent Hosp, Indianapolis, IN USA
[8] Univ N Carolina, Sch Med, Chapel Hill, NC USA
[9] Virginia Commonwealth Univ, Med Coll Virginia, Richmond, VA 23298 USA