1. Univ of Alabama at Birmingham, Birmingham, AL; Inst Claudius Regaud, Toulouse, France; Ctr René Gauducheau, Saint Herblain, France; Inst Catala d’Oncologia, Girona, Spain; Regional Cancer Ctr of Olsztyn, Olsztyn, Poland; Wyeth Research, Cambridge, MA; Wyeth Research, Collegeville, PA; Hosp Vall d’Hebron, Barcelona, Spain