1. Department of Nephrology and Kidney Transplantation; Centro Hospitalar do Porto; Hospital de Santo António; Porto Portugal
2. Unit for Multidisciplinary Investigation in Biomedicine (UMIB); Porto Portugal
3. EPIUnit-Institute of Public Health; University of Porto; Porto Portugal
4. Department of Population Studies; Institute of Biomedical Sciences Abel Salazar (ICBAS); University of Porto; Porto Portugal