1. Department of Epidemiology Milken Institute School of Public Health The George Washington University Washington DC USA
2. Department of Biostatistics and Bioinformatics Milken Institute School of Public Health The George Washington University Washington DC USA
3. Division of Infectious Diseases School of Medicine and Health Sciences The George Washington University Washington DC USA
4. District of Columbia Forensic Nurse Examiners Washington DC USA
5. MedStar Washington Hospital Center Washington DC USA
6. Medical Faculty Associates, Inc. The George Washington University Washington DC USA