1. Centre for Menstrual Cycle and Ovulation Research, University of British Columbia, Vancouver, Canada
2. Centre for Menstrual Cycle and Ovulation Research, Department of Medicine, Division of Endocrinology and Metabolism, University of British Columbia, Vancouver, Canada
3. BC Women’s Health Research Institute, Vancouver, Canada
4. Division of Endocrinology, Department of Medicine, University of British Columbia, Vancouver, Canada
5. School of Population and Public Health, University of British Columbia, Vancouver, Canada