SCHOTTENFELD, DAVID; WARSHAUER, M. ELLEN; SHERLOCK, SUSAN; ZAUBER, ANN G.; LEDER, MARY; PAYNE, RENEE; SCHOTTENFELD DAVID; Epidemiology and Preventive Medicine Service, Department of Medicine, Memorial Hospital; and Department of Public Health, Cornell University Medical College; WARSHAUER M. ELLEN; Epidemiology and Preventive Medicine Service, Department of Medicine, Memorial Hospital; and Department of Public Health, Cornell University Medical College; SHERLOCK SUSAN; Yale University; ZAUBER ANN G.; Epidemiology and Preventive Medicine Service, Department of Medicine, Memorial Hospital; and Department of Public Health, Cornell University Medical College; LEDER MARY; Johns Hopkins University School of Hygiene and Public Health; PAYNE RENEE; Epidemiology and Preventive Medicine Service, Department of Medicine, Memorial Hospital