1. Department of Pharmacy & Radboud Institute for Health Sciences; Radboud University Medical Center; Nijmegen The Netherlands
2. HIV-Netherlands Australia Thailand Research Collaboration; Thai Red Cross AIDS Research Centre; Bangkok Thailand
3. Department of Pharmacy; University Medical Center Utrecht; Utrecht The Netherlands
4. Department of Biochemistry; Faculty of Medicine; Chulalongkorn University; Bangkok Thailand
5. Department of Medicine; Bamrasnaradura Institute; Nonthaburi Thailand
6. Department of Medicine; Faculty of Medicine; Chulalongkorn University; Bangkok Thailand