[1] Univ Calif Los Angeles, Dept Med, David Geffen Sch Med, UCLA Ronald Reagan Med Ctr, 757 Westwood Plaza, Los Angeles, CA 90095 USA
[2] Univ Calif Los Angeles, David Geffen Sch Med, Dept Med, Vatche & Tamar Manoukian Div Digest Dis,Ctr Hlth S, 650 S Charles E Young Dr,Suite A2 125, Los Angeles, CA 90095 USA
[3] Greater Los Angeles Vet Affairs Healthcare Syst, Los Angeles, CA USA
[4] Jonsson Comprehens Canc Ctr, UCLA Kaiser Permanente Ctr Hlth Equ, Ctr Hlth Sci, 650 S Charles E Young Dr,Suite A2-125, Los Angeles, CA 90095 USA
[5] Massachusetts Gen Hosp, Div Gen Internal Med, Boston, MA USA
[6] Brigham & Womens Hosp, Div Gastroenterol, Boston, MA USA
[7] Dana Farber Canc Inst, Populat Sci & Canc Genet & Prevent Div, Boston, MA USA
[8] Harvard Med Sch, Boston, MA USA
[9] Massachusetts Gen Hosp, Clin & Translat Epidemiol Unit, Boston, MA USA
[10] Massachusetts Gen Hosp, Div Gastroenterol, Boston, MA USA
[11] Broad Inst MIT & Harvard, Cambridge, MA USA
[12] Brigham & Womens Hosp, Dept Med, Channing Div Network Med, Boston, MA USA
[13] Harvard TH Chan Sch Publ Hlth, Dept Immunol & Infect Dis, Boston, MA USA
[14] Univ Calif Los Angeles, Fielding Sch Publ Hlth, Dept Hlth Policy & Management, Los Angeles, CA USA
[15] Univ Calif Los Angeles, UCLA Ctr Canc Prevent & Control Res, UCLA Jonsson Comprehens Canc Ctr, Sch Publ Hlth, Los Angeles, CA 90095 USA
[16] Great Plains Tribal Leaders Hlth Board, Community Hlth Prevent Programs, Rapid City, SD USA
[17] Harvard Med Sch, Massachusetts Gen Hosp, Div Hematol Oncol, Boston, MA USA
[18] Massachusetts Gen Hosp, Mongan Inst, Boston, MA USA
[19] Fight Colorectal Canc, 134 Pk Cent Sq Ste 210, Springfield, MO 65806 USA