1. Louisiana State University Health Sciences Center, Comprehensive Alcohol-HIV/AIDS Research Center, New Orleans, Louisiana, USA.
2. Department of Physiology, School of Medicine, Louisiana State University Health Sciences Center, New Orleans, Louisiana, USA.
3. Department of Epidemiology, School of Public Health, Louisiana State University Health Sciences Center, New Orleans, Louisiana, USA.
4. School of Public Health and Tropical Medicine, Tulane University, New Orleans, Louisiana, USA.
5. Pulmonary/Critical Care and Allergy/Immunology, School of Medicine, Louisiana State University Health Sciences Center, New Orleans, Louisiana, USA.