Corresponding Author

Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain

CIBER of Pathophysiology of Obesity and Nutrition (CIBEROBN), Carlos III Health Institute, Madrid, Spain

Department of Epidemiology and Public Health, University College London, London, UK

Correspondence

Camille Lassale and Helmut Schröder, Hospital del Mar Medical Research Institute, Carrer Doctor Aiguader 88, 08003 Barcelona, Spain.

Email: classale@imim.es; hschroeder@imim.es