[1] SUNY Stony Brook, Dept Radiat Oncol, Stony Brook, NY 11794 USA
[2] Amer Coll Radiol, Philadelphia, PA USA
[3] Univ Texas Southwestern Med Ctr Dallas, Dept Radiat Oncol, Dallas, TX 75390 USA
[4] Henry Ford Hlth Syst, Detroit, MI USA
[5] Univ Pittsburgh, Sch Med, Dept Neurol Surg, UPMC Hillman Canc Ctr, Pittsburgh, PA 15261 USA
[6] Duke Univ, Med Ctr, Durham, NC USA
[7] Thomas Jefferson Univ, Philadelphia, PA 19107 USA
[8] Cedars Sinai Med Ctr, Los Angeles, CA 90048 USA
[9] Summa Phys Inc, Akron, OH USA
[10] Univ Calif San Diego, Moores Canc Ctr, Dept Radiat Med & Appl Sci, La Jolla, CA USA
[11] Univ Texas Southwestern Med Ctr Dallas, Dallas, TX 75390 USA
[12] Univ Utah, Huntsman Canc Inst, Salt Lake City, UT USA
[13] Rabin Med Ctr, Davidoff Ctr, Tel Aviv, Israel
[14] Univ Pittsburgh, Sch Med, Dept Radiat Oncol, UPMC Hillman Canc Ctr, Pittsburgh, PA USA
[15] Wake Forest Baptist Hlth Accruals Arizona Oncol S, Winston Salem, NC USA
[16] Southeast Radiat Oncol Grp PA, Charlotte, NC USA
[17] Univ Louisville, James Graham Brown Canc Ctr, Louisville, KY 40292 USA
[18] Capital Hlth Med Ctr, Philadelphia, PA USA
[19] Capital Hlth Med Ctr Hopewell, Pennington, NJ USA
[20] Vanderbilt Univ, Med Ctr, Vanderbilt Ingram Canc Ctr, Nashville, TN USA