1. Helios Salud
2. Laboratorio Dr Stamboulian, Buenos Aires, Argentina
3. Department of Medicine, Division of Infectious Diseases, University of Miami Miller School of Medicine
4. Department of Internal Medicine, University of Miami Miller School of Medicine/Jackson Memorial Hospital
5. Department of Psychiatry and Behavioral Sciences, University of Miami Miller School of Medicine, Miami, Florida
6. Department of Psychology, University of Georgia, Athens, Georgia
7. Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois, USA.