[1] Univ Texas, MD Anderson Canc Ctr, Houston, TX 77030 USA
[2] St Clara Hosp, Basel, Switzerland
[3] Leicester Royal Infirm, Leicester, Leics, England
[4] Natl Canc Ctr, Singapore, Singapore
[5] Winship Canc Ctr, Atlanta, GA USA
[6] Duke Univ, Med Ctr, Durham, NC USA
[7] Ist Clin Humanitas, Rozzano, Italy
[8] Ctr Hosp Gen Belfort, Belfort, France
[9] Royal Marsden Hosp, Sutton, Surrey, England