[1] Natl Surg Adjuvant Breast & Bowel Project, New Brunswick, NJ USA
[2] Canc Inst New Jersey, New Brunswick, NJ USA
[3] Int Inst Drug Dev, Louvain, Belgium
[4] NSABP, Pittsburgh, PA USA
[5] Univ Pittsburgh, Inst Canc, Pittsburgh, PA USA
[6] NSABP, Montreal, PQ, Canada
[7] Ctr Hosp Univ Montreal, Montreal, PQ, Canada
[8] NSABP, St Louis Pk, MN USA
[9] Metro Minnesota Community Clin Oncol Project, St Louis Pk, MN USA
[10] Montreal Gen Hosp, Montreal, PQ H3G 1A4, Canada
[11] NSABP, Vallejo, CA USA
[12] Kaiser Permanente Northern Calif, Vallejo, CA USA
[13] NSABP, Ann Arbor, MI USA
[14] St Joseph Mercy Hlth Syst, Ann Arbor, MI USA
[15] NSABP, Ottawa, ON, Canada
[16] Ottawa Hosp Canc Ctr, Ottawa, ON, Canada
[17] Allegheny Gen Hosp, Allegheny Canc Ctr, Pittsburgh, PA 15212 USA
[18] NSABP, Quebec City, PQ, Canada
[19] Ctr Hosp Affilie Univ Quebec, Hop St Sacrement, Quebec City, PQ 75390, Canada
[20] NSABP, Grand Rapids, MI USA
[21] Grand Rapids Clin Oncol Program, Grand Rapids, MI USA
[22] NSABP, Dallas, TX USA
[23] Univ Texas SW Med Ctr Dallas, Dallas, TX 75390 USA
[24] NSABP, Washington, DC USA
[25] MedStar Washington Hosp Ctr, Washington Canc Inst, Washington, DC USA
[26] NSABP, Canton, OH USA
[27] Aultman Hosp, Canton, OH USA