Institution: | 1 Department of Statistics and Applied Mathematics D.De Castro, Università di Torino, Piazza Arbarello, 8, 10122 Torino, Italy carota@cisi.unito.it 2 Department of Oncology, Johns Hopkins University, 550 North Broadway, Suite 1103, Baltimore, Maryland 21205, U.S.A. gp@jhu.edu |