[1] Univ Florida, Coll Med, Dept Hlth Outcomes & Biomed Informat, 2004 Mowry Rd, Gainesville, FL 32603 USA
[2] Univ Wisconsin, Carbone Canc Ctr, Madison, WI USA
[3] Univ Wisconsin, Inst Clin & Translat Res, Madison, WI USA
[4] Rush Univ, Med Ctr, Chicago, IL USA
[5] Rush Canc Ctr, Chicago, IL USA
[6] Washington Univ, Siteman Canc Ctr, St Louis, MO USA
[7] Univ Texas Southwestern Med Ctr, Dallas, TX USA
[8] Univ N Carolina, Lineberger Canc Ctr, Chapel Hill, NC USA
[9] Northwestern Univ, Feinberg Sch Med, Chicago, IL USA
[10] Northwestern Univ, Lurie Comprehens Canc Ctr, Chicago, IL USA
[11] Indiana Univ, Simon Canc Ctr, Indianapolis, IN USA
[12] Univ Chicago Med, Comprehens Canc Ctr, Chicago, IL USA
[13] Univ Utah, Huntsman Canc Inst, Salt Lake City, UT USA
[14] Dartmouth Hitchcock Norris Cotton Canc Ctr, Lebanon, NH USA
[15] Univ Colorado, Comprehens Canc Ctr, Aurora, CO USA
[16] Stanford Univ, Stanford Canc Inst, Stanford, CA USA
[17] Barbara Ann Karmanos Canc Inst, Detroit, MI USA
[18] Georgetown Univ, Lombardi Comprehens Canc Ctr, Washington, DC USA
[19] Univ Minnesota, Masonic Canc Ctr, Minneapolis, MN USA
[20] Vanderbilt Univ, Med Ctr, Vanderbilt Ingram Canc Ctr, Nashville, TN USA
[21] Univ Calif Davis, Comprehens Canc Ctr, Sacramento, CA USA
[22] Univ Calif San Francisco, Philip R Lee Inst Hlth Policy Studies, San Francisco, CA 94118 USA
[23] Med Univ South Carolina, Hollings Canc Ctr, Charleston, SC USA
[24] Univ Wisconsin, Ctr Tobacco Res & Intervent, Madison, WI USA