1. Endocrine and Metabolic Research, UMIB-Unit for Multidisciplinary Research in Biomedicine, ICBAS-Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, 4050-313 Porto, Portugal
2. Laboratory for Integrative and Translational Research in Population Health (ITR), University of Porto, 4050-313 Porto, Portugal
3. Department of General Surgery, Centro Hospitalar de Entre o Douro e Vouga, 4520-220 Santa Maria da Feira, Portugal
4. CIBER de Fisiopatologia Obesidad y Nutricion (CB06/03), Instituto Salud Carlos III, 15706 Santiago de Compostela, Spain
5. Department of Medicine, USC University Hospital Complex, University of Santiago de Compostela, 15705 Santiago de Compostela, Spain