1. Department of Pediatrics, Hospital Pediátrico, Centro Hospitalar e Universitário de Coimbra, EPE, Portugal
2. Department of Cardiology, Hospital Pediátrico, Centro Hospitalar e Universitário de Coimbra, EPE, Portugal
3. Pediatric Intensive Care Unit, Hospital Pediátrico, Centro Hospitalar e Universitário de Coimbra, EPE, Portugal
4. University Clinic of Pediatrics, Faculty of Medicine, University of Coimbra, Portugal
5. Department of Pediatric Surgery, Hospital Pediátrico, Centro Hospitalar e Universitário de Coimbra, EPE, Portugal