Division of Endocrinology, Department of Internal Medicine and Department of Population and Data Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA. Electronic address: ildiko.lingvay@utsouthwestern.edu. Department of Medicine (St Vincent's Hospital), University of Melbourne, Melbourne, VIC, Australia; Department of Endocrinology, Austin Health, Melbourne, VIC, Australia. The Center for Obesity and Diabetes, Oswaldo Cruz German Hospital, São Paulo, Brazil. Diabetes Complications Research Centre, Conway Institute, School of Medicine, University College Dublin, Dublin, Ireland; Diabetes Research Centre, Ulster University, Coleraine, UK.