**Author details**

Sara Jimeno1,2,3, Alejandro Peixoto3 , Sara Velázquez2,4,5, Paula Sol Ventura2,6,7, Salvador I. García Adasme8 and Alejandro López-Escobar2,9,10\*

1 Pediatrics Department, HM Hospitales, Madrid, Spain

2 Fundación de Investigación HM Hospitales, Madrid, Spain

3 Facultad de Medicina, Universidad CEU San Pablo, Madrid, Spain

4 Anaesthesiology Department, Hospital Universitario HM Sanchinarro, Madrid, Spain

5 Anaesthesiology Department, Hospital Universitario Santa Cristina, Madrid, Spain

6 Pediatrics Department, Hospital Universitario HM Nens, Barcelona, Spain

7 Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol (IGTP), Barcelona, Spain

8 Nurse School, Universidad CEU San Pablo, Madrid, Spain

9 Pediatrics Department, Hospital Vithas Madrid La Milagrosa, Madrid, Spain

10 Clinical Research Unit. Fundación Vithas. Grupo Vithas, Madrid, Spain

\*Address all correspondence to: lopezea@vithas.es

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