1 University School of Nursing, University of Vigo, Pontevedra, Spain. Electronic address: fernandez.mendez.felipe@gmail.com.
2 University School of Sport Sciences and Physical Education, University of Vigo, Pontevedra, Spain.
3 University School of Health Sciences, European Atlantic University, Santander, Spain.
4 Nursing School, Pediatric Emergency and Critical Care Division, Clinical University Hospital, University of Santiago de Compostela, Santiago de Compostela, Spain.