1 University of Southern California,, Los Angeles, University of California, Irvine, Irvine, California, and, Plasticos Foundation, Huntington Beach, Calif. (Nichter) Vanderbilt University School of Medicine, Nashville, Tenn., and, Plasticos Foundation, Huntington Beach, Calif. (Mueller) Plasticos Foundation, Huntington Beach, Calif. (Burns) Department of Pathology, Hoag Memorial Hospital, Newport Beach, Calif. (Stallman).