García-Morín, Marina
Bardón-Cancho, Eduardo J.
Beléndez, Cristina
Zamarro, Rosario
Béliz-Mendiola, Cristina
González-Rivera, Milagros
Vecilla, Cruz
Llorente-Otones, Lucía
Pérez-Alonso, Vanesa
Román, Sonsoles San
Sebastián, Elena
Dulín, Elena
Cela, Elena
Article History
Received: 30 October 2019
Accepted: 15 April 2020
First Online: 26 May 2020
Compliance with ethical standards
: The Pediatric Hematology Unit of the HGUGM is responsible for this study, which has been approved by the Ethics Committee and the Spanish Data Protection Agency. After their consultation visit, the parents signed written informed consent according to the Declaration of Helsinki.