1. Department of Experimental and Health Sciences; Universitat Pompeu Fabra (UPF); Barcelona Spain
2. Health Services Research Group; Hospital del Mar Medical Research Institute (IMIM); Barcelona Spain
3. CIBER en Epidemiología y Salud Pública (CIBERESP); Spain
4. Institut de Neuropsiquiatria i Addiccions (INAD); Parc Salut Mar; Barcelona Spain