1. Division of Advanced Diagnostics, Toronto General Research Institute, University Health Network, Toronto, Canada
2. Department of Medicine and Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, Canada
3. Department of Endocrinology and Metabolism, Third Affiliated Hospital of Sun Yat-Sen University, and Guangdong Provincial Key Laboratory of Diabetology, Guangzhou, China
4. Sunnybrook Research Institute, Toronto, Canada
5. Department of Physiology, University of Toronto, Toronto, Canada