[1] Univ Halle Wittenberg, Dept Internal Med 4, Halle, Germany
[2] Royal Marsden NHS Fdn Trust, Sutton, Surrey, England
[3] Osped San Martino Genova, Dept Med Oncol, Genoa, Italy
[4] Flinders Med Ctr, Adelaide, SA, Australia
[5] Hop Ambroise Pare, Boulogne Billancourt, France
[6] Univ Alberta, Cross Canc Inst, Edmonton, AB, Canada
[7] AstraZeneca, Wilmington, DE USA
[8] AstraZeneca, Macclesfield, Cheshire, England
[9] Univ Hosp Gasthuisberg, Dept Internal Med, B-3000 Louvain, Belgium