1. Department of EpidemiologyJohns Hopkins Bloomberg School of Public Health Baltimore Maryland USA
2. Centre de Recherche du Centre Hospitalier Universitaire de Sherbrooke (CHUS) Sherbrooke Quebec Canada
3. Department of Biochemistry and Functional GenomicsUniversité de Sherbrooke Sherbrooke Quebec Canada
4. Department of Medical BiologyCIUSSS‐SLSJ Saguenay Quebec Canada
5. Department of MedicineUniversité de Sherbrooke Sherbrooke Quebec Canada
6. Department of Laboratory MedicineCIUSSS‐SLSJ Saguenay Quebec Canada
7. Department of Anatomy and Cell BiologyUniversité de Sherbrooke Sherbrooke Quebec Canada
8. Department of Population Medicine, Harvard Pilgrim Health Care InstituteHarvard Medical School Boston Massachusetts USA
9. Welch Center for Prevention, Epidemiology and Clinical ResearchJohns Hopkins University Baltimore Maryland USA