[1] Dana Farber Canc Inst, Boston, MA 02115 USA
[2] Masaryk Univ, Fac Med, Masaryk Mem Canc Inst, Brno, Czech Republic
[3] Gangnam Severance Hosp, Seoul, South Korea
[4] Spitalul Judetean Urgenta Constantin Opris, Baia Mare, Romania
[5] Ist Ospitalieri Cremona, Cremona, Italy
[6] BP Poddar Hosp & Med Res Ltd, Kolkata, W Bengal, India
[7] Brown Univ, Sch Med, Providence, RI 02912 USA
[8] Barretos Canc Hosp, Barretos, Brazil
[9] Univ & Gen Hosp, Dept Oncol, Udine, Italy
[10] New Cross Hosp, Wolverhampton, England
[11] Fak Nemocnice Olomouc, Onkol Klin, Olomouc, Czech Republic
[12] CHUM, Notre Dame Hosp, Montreal, PQ, Canada
[13] Vail dHebron Univ Hosp, Vail dHebron Inst Oncol, Barcelona, Spain
[14] Peter MacCallum Canc Ctr, Melbourne, Vic, Australia
[15] Univ Melbourne, Melbourne, Vic, Australia
[16] Royal Marsden Hosp, Sutton, Surrey, England
[17] ImClone Syst, Bridgewater, NJ USA
[18] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA