[1] Hosp Clin Barcelona, Endocrinol & Nutr Dept, Barcelona, Spain
[2] Inst Salud Carlos III, Ctr Invest Biomed Red Fisiopatol Obesidad & Nutr, Madrid, Spain
[3] Hosp Santa Creu & Sant Pau, Inst Invest Biomed St Pau, Dept Neurol, St Pau Memory Unit, Barcelona, Spain
[4] Inst Salud Carlos III, Ctr Invest Biomed Red Enfermedades Neurodegenerat, Madrid, Spain
[5] Fundacio Catalana Sindrome Down, Barcelona Med Ctr, Barcelona, Spain
[6] FCRB, IDIBAPS, Barcelona, Spain
[7] Univ Barcelona, Fac Med & Life Sci, Dept Med, Barcelona 08036, Spain
[8] Hosp Clin Barcelona, Gastrointestinal Surg Dept, Barcelona, Spain
[9] Univ Oberta Catalunya, Fac Hlth Sci, Barcelona, Spain