[1] Mayo Clin, Arizona Canc Ctr, Scottsdale, AZ USA
[2] Sarah Cannon Res Inst, Nashville, TN USA
[3] Univ Texas Hlth Sci Ctr San Antonio, San Antonio, TX 78229 USA
[4] Indiana Univ, Simon Canc Ctr, Indianapolis, IN 46204 USA
[5] Premiere Oncol Arizona, Med Oncol, Scottsdale, AZ USA
[6] Duke Univ, Med Ctr, Durham, NC USA
[7] Univ Wisconsin, Paul P Carbone Comprehens Canc Ctr, Madison, WI USA
[8] Threshold Pharmaceut, Clin Res, Redwood City, CA USA