1. Department of Paediatrics, Paediatric Pneumonology Unit, Hospital Universitario Central de Asturias, Oviedo, Spain
2. Department of Paediatrics, Paediatric Intensive Care Unit, Hospital Universitario Central de Asturias, Oviedo, Spain
3. Department of Paediatrics, Genetics Unit, Hospital Universitario Central de Asturias, Oviedo, Spain
4. Research Group on Paediatrics, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
5. Haematology and Haemotherapy Department and Laboratory Medicine Department, Hospital Universitario Central de Asturias, Oviedo, Spain