1. Radboud University Medical Center, Radboud Institute for Health Sciences, Department of Pharmacy, Nijmegen, The Netherlands;
2. Saint-Pierre University Hospital, Brussels, Belgium;
3. Klinikum der Universität München, Frauenklinik Innenstadt, Munich, Germany;
4. Mater Misericordiae University Hospital, Dublin, Ireland;
5. Erasmus Medical Center, Rotterdam, The Netherlands; and
6. Fundació Lluita contra la Sida, HIV Unit, Hospital Universitari Germans Trias i Pujol, Badalona, Spain