1. Department of Neurology, Movement Disorders Unit, Fundación Jiménez Díaz, Madrid, Spain
2. Division of Endocrinology, Fundación Jiménez Díaz, Madrid, Spain
3. Renal, Vascular and Diabetes Research Laboratory, Instituto de Investigación Sanitaria-Fundación Jiménez Díaz, Autónoma University, Madrid, Spain
4. Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM) network, Madrid, Spain