1. Department of Clinical Epidemiology; Predictive Medicine and Public Health; University of Porto Medical School; Porto Portugal
2. Institute of Public Health of the University of Porto (ISPUP); Porto Portugal
3. Institute of Molecular Pathology and Immunology (IPATIMUP); University of Porto; Porto Portugal
4. St André de Canidelo Family Health Unit; Vila Nova de Gaia Portugal
5. Biomedical Engineering Institute (INEB); University of Porto; Porto Portugal
6. Department of Clinical Pathology; Centro Hospitalar de São João; Porto Portugal
7. Department of Biochemistry; University of Porto Medical School; Porto Portugal
8. Department of Epidemiology; IRCCS-Istituto di Ricerche Farmacologiche ‘Mario Negri’; Milan Italy
9. Department of Medical Sciences and Public Health; Università degli Studi di Milano; Milan Italy