1. UCAM Universidad Católica de Murcia, Murcia, España
2. Gerencia de Urgencias y Emergencias 061 de la Región de Murcia, Murcia, España
3. Department of Anaesthesiology and Pain Medicine, Bern University Hospital, Inselspital, Bern, Switzerland
4. School of Medicine, Sigmund Freud Private University Vienna, Vienna, Austria
5. Department of Nursing and Podiatry, Faculty of Health Sciences, University of Malaga, Spain
6. Faculty of Education and Sports Sciences, University of Vigo, Pontevedra, Spain
7. GRAFAIS Research Group, Institut Nacional d’Educació Física de Catalunya (INEFC), Universitat de Barcelona, Barcelona, Spain.