1. Department of Medicine, Division of Infectious Diseases, University of Alabama at Birmingham, Birmingham, Alabama, USA
2. Department of Biostatistics, Ryals School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama, USA
3. Department of Pathology, Division of Forensics, University of Alabama at Birmingham, Birmingham, Alabama, USA
4. Department of Psychiatry, University of Alabama at Birmingham, Birmingham, Alabama, USA