M. Drezdzon, Resident Physician, Medical College of Wisconsin, Milwaukee, Wisconsin, UNITED STATES|P. Knechtges, Johns Hopkins University, Baltimore, Maryland, UNITED STATES|J. Calata, Assistant Professor, Medical College of Wisconsin, Milwaukee, Wisconsin, UNITED STATES|C. Peterson, T. Ridolfi, Associate Professor, Medical College of Wisconsin, Milwaukee, Wisconsin, UNITED STATES|K. Ludwig, Professor, Medical College of Wisconsin, Milwaukee, Wisconsin, UNITED STATES|