1 Università Cattolica del Sacro Cuore, Rome, Italy; Department of Medical and Surgical Sciences, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy; Division of Diabetes & Nutritional Sciences, School of Cardiovascular and Metabolic Medicine & Sciences, King's College London, London, UK. Electronic address: geltrude.mingrone@kcl.ac.uk.
2 Department of Surgical Sciences, Sapienza University of Rome, Rome, Italy.
3 Division of Diabetes & Nutritional Sciences, School of Cardiovascular and Metabolic Medicine & Sciences, King's College London, London, UK; Department of Medicine III, Universitätsklinikum Carl Gustav Carus an der Technischen Universität Dresden, Dresden, Germany.