1. Department of Biochemistry; Vanderbilt University School of Medicine; Nashville TN USA
2. Mass Spectrometry Research Center; Vanderbilt University School of Medicine; Nashville TN USA
3. Department of Chemistry; Vanderbilt University; Nashville TN USA
4. Department of Medicine; Vanderbilt University Medical Center; Nashville TN USA
5. Department of Pathology; Microbiology and Immunology; Vanderbilt University School of Medicine; Nashville TN USA
6. United States (U.S.) Department of Veterans Affairs; Tennessee Valley Healthcare System; Nashville TN USA
7. Departments of Pharmacology and Medicine; Vanderbilt University School of Medicine; Nashville TN USA