1. International Agency for Research on Cancer, 150 Cours Albert-Thomas, 69008 Lyon, France
2. Università della Calabria, Via Ponte Pietro Bucci, Cubi 4C-6C, 87036 Arcavacata di Rende (CS), Cosenza, Italy
3. Deutsches Krebsforschungszentrum, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany