CIBEROBN is an Title Loaded From File initiative of ISCIII, Spain. Participant Author‘s Affiliations???????Abril-Gil, M. Section of Physiology, Division of Biochemistry and Physiology, Faculty of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain; Nutrition and Food Safety Investigation Institute (INSA-UB), Santa Coloma de Gramenet, Spain. Alda, J.A. ADHD Unit. Kid and Adolescent Psychiatry Division. Hospital Sant Joan de Deu, Barcelona, Spain. Almanza-Aguilera, E. Biomarkers and Nutrimetabolomic Lab, Division of Nutrition, Food Sciences and Gastronomy, XaRTA, INSA, Food and Nutrition Torribera Campus, Faculty of Pharmacy and Food Science, University of Barcelona, Santa Coloma de Gramenet, Spain; CIBER Frailty and Healthy Aging (CIBERFES), Institute of Health Carlos III, Madrid, Spain. Alvarenga, J.F.R. Nutrition, Meals Science and Gastronomy Department, XaRTA, INSA, Pharmacy and Food Science School, University of Barcelona, Barcelona, Spain. Amat, C. Section of Physiology, Division of Biochemistry and Physiology, Faculty of Pharmacy and Meals Sciences; Nutrition and Food Safety Investigation Institute, University of Barcelona (UB), Spain. Andres-Lacueva, C. Biomarkers and Nutrimetabolomic Lab, Division of Nutrition, Meals Sciences and Gastronomy, XaRTA, INSA, Meals and Nutrition Torribera Campus, Faculty of Pharmacy and Food Science, University of Barcelona, Santa Coloma de Gramenet, Spain; CIBER Frailty and Healthful Aging (CIBERFES), Institute of Overall health Carlos III, Madrid, Spain.Ents: This study was supported by the Interagency Council on Science and Technology (CICYT) (AGL2016-75329-R) in the Spanish Ministry of Economy and Competitiveness (MEC); the Generalitat de Catalunya (GC) 2014 SGR 773; as well as the Instituto de Salud Carlos III (ISCIII) and CIBER Physiopathology of Obesity and Nutrition (CIBEROBN). CIBEROBN is an initiative of ISCIII, Spain. X. Guo received support from China Scholarship Council (CSC). A. Medina-Rem thanks the "Juan de la Cierva" postdoctoral system (JCI-2012-13463) from MEC.Acknowledgments: The Workshop received funds from Idilia Foods, S.L.; Institute for Research on Nutrition and Food Safety from the University of Barcelona (INSA-UB); Facultat de Farm ia i Ci cies de l‘Alimentaci? Universitat de Barcelona; AB Sciex Spain S.L.; and components from Observatorio del cacao; Cacaolat; Waters Cromatograf S.A.; Torrons Vicens; Applied Biosystems Sciex and Jolonch all from Barcelona, Spain. We would prefer to thank Museu de la Xocolata, Campus Tourism, Hospitality and Gastronomy (CETT), and Catalan Association of Meals Science (ACCA), all from Barcelona, Spain, for their collaboration inside the practical workshop. Mireia Urpi-Sarda would prefer to thank the `Ram y Cajal‘ plan in the Spanish Ministry of Economy and Competitiveness and also the Fondo Social Europeo. Conflicts of Interest: The authors declare no conflict of interest.Appendix A. Participant Author‘s Affiliations???????Abril-Gil, M. Section of Physiology, Division of Biochemistry and Physiology, Faculty of Pharmacy and Meals Sciences, University of Barcelona, Barcelona, Spain; Nutrition and Meals Security Research Institute (INSA-UB), Santa Coloma de Gramenet, Spain. Alda, J.A. ADHD Unit. Youngster and Adolescent Psychiatry Department. Hospital Sant Joan de Deu, Barcelona, Spain. Almanza-Aguilera, E. Biomarkers and Nutrimetabolomic Lab, Division of Nutrition, Food Sciences and Gastronomy, XaRTA, INSA, Food and Nutrition Torribera Campus, Faculty of Pharmacy and Meals Science, University of Barcelona, Santa Coloma de Gramenet, Spain; CIBER Frailty and Healthier Aging (CIBERFES), Institute of Well being Carlos III, Madrid, Spain. Alvarenga, J.F.R. Nutrition, Meals Science and Gastronomy Division, XaRTA, INSA, Pharmacy and Food Science School, University of Barcelona, Barcelona, Spain.