1. Department of Infectious and Tropical Diseases, Montpellier University Hospital, Montpellier, France.
2. Abbott, Abbott Park, Illinois.
3. Unidad VIH, Hospital Universitario 12 de Octubre, Universidad Complutense de Madrid, Madrid, Spain.
4. University of Puerto Rico, School of Medicine, Infectious Diseases Section, San Juan, Puerto Rico and Innovative Care PSC, Bayamon, Puerto Rico.
5. Therapeutic Concepts, Houston, Texas.