Department of Medicine (D.S.F.) and Department of Obstetrics & Gynecology (K.E.M.), Sinai Health System; Lunenfeld-Tanenbaum Research Institute (D.S.F., K.E.M.); Department of Medicine, University of Toronto (D.S.F., K.E.M., G.T.), Toronto, Ontario; Department of Medicine, University of Calgary, Calgary, Alberta (L.E.D.), Canada; Department of Endocrinology and Nutrition, Hospital de la Santa Creu i Sant Pau CIBER-BBN, Barcelona, Spain (R.C., A.d.L.); Department of Women and Children's Health, St Thomas' Hospital (H.R.M.) and Diabetes Research Group, Faculty of Life Sciences and Medicine (S.A.A., K.F.H.), King's College London; Diabetes Service, Division of Urgent Care, Planned Care and Allied Critical Services, King's College Hospital NHS Foundation Trust (K.F.H.), London, United Kingdom; Sunnybrook Research Institute, Toronto, Ontario, Canada (E.A., J.F.R.B., J.J.S.); Department of Obstetrics and Gynecology, Helen Schneider Hospital for Women, Rabin Medical Center, Petah, Tikvah, Israel (M.H.); Division of Endocrinology, University of Southern California, Los Angeles (L.J.); Department of Chemistry, University of California, Santa Barbara (L.J.), CA; Department of Medicine, University of Ottawa, and The Ottawa Hospital, Ottawa (E.K.); Department of Obstetrics & Gynecology, McMaster University Hamilton (E.K.H.); Department of Medicine, St Joseph Health Care London (R.M.); Department of Medicine, University of Western Ontario (R.M.), London, Ontario, Canada; Wolfson Diabetes and Endocrine Centre, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom (C.L.M., Z.A.S., H.R.M.); Nemours Children's Health System, Jacksonville (T.W.); Jaeb Center For Health Research, Tampa (R.O., K.R., C.K.), FL; Department of Medicine, University Health Network, Toronto, Ontario, Canada (G.T.); and Department of Medicine, University of East Anglia, Norwich, United Kingdom (H.R.M.)