1. Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain
2. Universitat Pompeu Fabra (UPF), Barcelona, Spain
3. CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
4. Department of Analytical Chemistry, University of Cordoba, Cordoba, Spain
5. ISGlobal, Barcelona Centre for International Health Research (CRESIB), Hospital Clínic–Universitat de Barcelona, Barcelona, Spain
6. Instituto de Investigación Biosanitaria de Granada (Granada.ibs), University of Granada, Granada, Spain
7. Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, FISABIO/CSISP, Valencia, Spain
8. Universidad de Valencia, Valencia, Spain
9. Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain