Daniel Cukier, M.D., has been a radiation oncologist for more than thirty years. He currently consults in radiology oncology and diagnostic radiology at Dartmouth Medical College.Frank Gingerelli, M.D., is Chief of Radiation Oncology at Pascack Valley Hospital in Westwood, New Jersey.Grace Makari-Judson, M.D., is an oncologist and breast cancer specialist at Bay state Medical Center in Springfield, Massachusetts.Virginia E. McCullough is a noted health writer. Her books include A Consumer's Guide to Alternative Health Care and Testing and Your Child.