[1] Ctr Paul Papin, Angers, France
[2] Ctr Hosp Univ, Unite Concertat Pluridisciplinaire Cancerol, Limoges, France
[3] Ctr Oncol, Klin Nowotworow Sutka, Warsaw, Poland
[4] Univ Klinikum Essen, Essen, Germany
[5] Inst Rech Pierre Fabre, Boulogne, France