1. Department of Software Engineering, University of Granada, Granada, Spain
2. Department of Computer Science, Higher School of Engineering, University of Cádiz, Cádiz, Spain
3. Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Division of Neonatology, Department of Paediatrics, Puerta del Mar University, Cádiz, Spain
4. Department of Condensed Matter Physics, University of Cádiz, Cádiz, Spain
5. School of Science and Technology, IE University, Madrid, Spain
6. Department of Condensed Matter Physics, Applied Magnetism and Optics Research Group, and IMEYMAT, University of Cádiz, Cádiz, Spain