AMERICAN ASSN CANCER RESEARCH; AMERICAN BOARD OF TOXICOLOGY; AMERICAN COLLEGE OF TOXICOLOGY; CTR; GERMANY; JOURNAL OF THE NATIONAL CANCER INSTITUTE; MAI; MAX PLANCK INSTITUTE; MICROBIOLOGICAL ASSOCIATES; PRINCETON UNIV; SCIENTIFIC ADVISORY BOARD; SLOAN KETTERING INSTITUTE; SOCIETY OF TOXICOLOGY; UNIV OF MN; UNIV OF PITTSBURGH