1. Faculty of Health Sciences, Simon Fraser University, Blusson Hall Room 10522, 8888 University Drive, Burnaby, BC, Canada V5A 1S6
2. Mbarara University of Science and Technology, Mbarara, Uganda
3. Massachusetts General Hospital (MGH), Center for Global Health, Boston, MA 02114, USA
4. Division of Infectious Disease, MGH, Boston, MA 02114, USA