1. Hôpital Sainte-Justine, Montreal, Quebec, Canada;Université de Montréal, Montreal, Quebec, Canada;
2. Hôpital Sainte-Justine, Montreal, Quebec, Canada;
3. Institut National de Santé Publique du Québec, Sainte-Anne-de-Bellevue, Quebec, Canada;
4. Lady Davis Institute for Medical Research, Montreal, Quebec, Canada;
5. McGill University Health Center, Montreal, Quebec, Canada;
6. British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada