1. Instituto Universitario de Automática e Informática Industrial, Universitat Politècnica de València, València, Spain.
2. Diabetes Unit, Endocrinology and Nutrition Department, Hospital Clínic Universitari, IDIBAPS, Barcelona, Spain.
3. Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, United Kingdom.
4. Harris Manchester College, Mansfield Road, University of Oxford, Oxford, United Kingdom.