1. Mass Spectrometry Research Center and Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, Tennessee 37232-8575, Department of Allergy/Pulmonary and Critical Care Division, Vanderbilt University School of Medicine, Nashville, Tennessee 37232-2650, Department of Surgery, Division of Urology, University of Alabama in Birmingham, Birmingham, Alabama 35294, and Department of Plastic Surgery and the Immunohistochemistry Core Laboratory, Vanderbilt University School of Medicine,...