1. Department of Signal Theory, Networking and Communications, Andalusian Research Institute in Data Science and Computational Intelligence (DASCI), University of Granada, Granada, Spain
2. Department of Signal Theory, Networking and Communications, Andalusian Research Institute in Data Science and Computational Intelligence (DASCI), University of Malaga, Málaga, Spain
3. School of Informatics, University of Leicester, Leicester, U.K.
4. Department of Radiology, Hospital San Juan de Dios, HT Médica, Cádiz, Spain
5. Department of Signal Theory, Networking and Communications, University of Granada, Granada, Spain