[1] Univ Michigan, Ann Arbor, MI USA
[2] Univ Washington, Seattle, WA 98195 USA
[3] Johns Hopkins Univ, Baltimore, MD USA
[4] Virginia Commonwealth Univ, Richmond, VA USA
[5] Maastricht Univ, Med Ctr, GROW School for Oncol & Dev Biol, Dept Radiat Oncol MAASTRO, Maastricht, Netherlands
[6] Mayo Clin, Jacksonville, FL 32224 USA
[7] Univ Penn, Philadelphia, PA 19104 USA
[8] Ohio State Univ, Columbus, OH 43210 USA
[9] Mem Sloan Kettering Canc Ctr, 1275 York Ave, New York, NY 10021 USA
[10] Univ Calif San Francisco, San Francisco, CA 94143 USA
[11] Univ Alabama Birmingham, Birmingham, AL USA
[12] Harvard Med Sch, Boston, MA USA
[13] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[14] Univ Calif Los Angeles, Los Angeles, CA USA