1. Department of Maternal-Fetal Medicine, Central Lisbon Hospital Center, Lisbon, Portugal ;
2. NOVA Medical School, Universidade NOVA de Lisboa, Lisbon, Portugal;
3. Epidemiology and Statistics Unit, Research Centre, Central Lisbon Hospital Center, Lisbon, Portugal;
4. CEAUL (Center of Statistics and Applications), University of Lisbon, Lisbon, Portugal;
5. Education and Research Center (APDP-ERC), Portuguese Diabetes Association, Lisbon, Portugal;
6. CEDOC Chronic Diseases – NOVA Medical School, Lisbon, Portugal;
7. UA-DCM – Department of Medical Sciences, University of Aveiro, Aveiro, Portugal;
8. Statistics and Informatics Department, NOVA Medical School, Universidade NOVA de Lisboa, Lisbon, Portugal