Mount Sinai School of Medicine, New York, NY; St. Chiara University Hospital, Pisa, Italy; National Cancer Institute, Milan, Italy; University Hospital of Essen, Essen, Germany; Centre Eugene Marquis, Rennes, France; J.W. Goethe University Hospital, Frankfurt, Germany; Bayer HealthCare, Toronto, ON, Canada; Bayer S.p.A PH, Milan, Italy; Bayer HealthCare AG, Wuppertal, Germany; Hospital Clinic Barcelona, Barcelona, Spain (At 2007-06-20)