[1] Karmanos Canc Inst, Detroit, MI USA
[2] Cleveland Clin Fdn, 9500 Euclid Ave, Cleveland, OH 44195 USA
[3] Univ Penn, Abramson Canc Ctr, Philadelphia, PA 19104 USA
[4] Dana Farber Canc Inst, Boston, MA 02115 USA
[5] Fox Chase Canc Ctr, 7701 Burholme Ave, Philadelphia, PA 19111 USA
[6] South Texas Accelerated Res Theraput, San Antonio, TX USA
[7] Univ Pittsburgh, Canc Inst, Pittsburgh, PA USA
[8] Univ Calif San Francisco, San Francisco, CA 94143 USA
[9] Nebraska Canc Specialists, Omaha, NE USA
[10] Natl Taiwan Univ Hosp, Taipei, Taiwan
[11] Natl Taiwan Univ, Canc Ctr, Taipei, Taiwan
[12] Massachusetts Gen Hosp, Ctr Canc, Boston, MA USA
[13] Harvard Med Sch, Boston, MA 02115 USA
[14] Merck & Co Inc, Kenilworth, NJ USA
[15] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA