1. Department of Preventive Medicine, Keck School of Medicine University of Southern California Los Angeles California USA
2. Department of Environmental Toxicology University of California Davis California USA
3. Research Group on Statistics, Econometrics and Health (GRECS) University of Girona Girona Spain
4. CIBER of Epidemiology and Public Health (CIBERESP) Madrid Spain
5. MRC Centre for Environment and Health Imperial College London London UK
6. UK Small Area Health Statistics Unit, MRC Centre for Environment and Health Imperial College London London UK
7. ISGlobal Barcelona Spain
8. Universitat Pompeu Fabra (UPF) Barcelona Spain
9. Department of Environmental Medicine and Public Health Icahn School of Medicine at Mount Sinai New York New York USA