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