1. Department of Medicine, Bicêtre Hospital, Le Kremlin Bicêtre, France.
2. Department of Medicine, Calmette Hospital, Phnom Penh, Cambodia.
3. HIV/Hepatitis Laboratory, Pasteur Institute of Cambodia, Phnom Penh, Cambodia.
4. Clinical Pharmacy Department, Bicêtre Hospital, Le Kremlin Bicêtre, France.
5. Agence Nationale de Recherches sur le Sida, Paris, France.