1 NOVA National School of Public Health, NOVA University Lisbon, Lisbon, Portugal.
2 Division of Population and Health Genomics, Ninewells Hospital and Medical School, University of Dundee, Dundee, UK.
3 Academic Department of Paediatrics, Brighton & Sussex Medical School, Royal Alexandra Children's Hospital, Brighton, UK.
4 NOVA National School of Public Health, Public Health Research Center, Comprehensive Health Research Center, CHRC, NOVA University Lisbon, Lisbon, Portugal.