1. Serviço de Pediatria – Centro Hospitalar Tondela-Viseu, EPE, Av. Rei D. Duarte, 3504-509 Viseu, Portugal
2. Tomaz Ribeiro’s Primary Health Care Centre, Family Physician, Tondela, Portugal
3. Institute of Preventive Medicine and Public Health, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
4. Tondela-Viseu Hospital Centre, Paediatrician, Adolescent Medicine Unit, Viseu, Portugal
5. Tondela-Viseu Hospital Centre, Paediatrician, Paediatrics Department, Viseu, Portugal