J. Matson, Resident physician, University of California San Diego, La Jolla, California, UNITED STATES|S. Liu, S. Ramamoorthy, University of California San Diego, La Jolla, California, UNITED STATES|G. Isenberg, Thomas Jefferson University, Philadelphia, Pennsylvania, UNITED STATES|G.T. Ault, University of Southern California, Los Angeles, California, UNITED STATES|J. Carmichael, University of California Irvine, Irvine, California, UNITED STATES|
