[1] MD Anderson Canc Ctr, Houston, TX USA
[2] Campus Virchow Klin, Berlin, Germany
[3] H Lee Moffitt Canc Ctr, Tampa, FL USA
[4] Univ Bologna Policlin, Azienda Osped, Bologna, Italy
[5] Vrije Univ Amsterdam, Med Ctr, Amsterdam, Netherlands
[6] Univ Roma La Sapienza, Azienda Policlin Umberto, Rome, Italy
[7] Novartis Pharmaceut, E Hanover, NJ USA