1. Department of Computer Science, University of Beira Interior, Portugal, NOVA Laboratory for Computer Science and Informatics (NOVA LINCS), Portugal, and GTM research group, AtlanTTic Research Center, University of Vigo, Spain
2. GREYC - Groupe de Recherche en Informatique, Image et Instrumentation de University of Caen Normandie, France
3. Department of Computer Science, University of Beira Interior, Portugal and NOVA Laboratory for Computer Science and Informatics (NOVA LINCS), Portugal
4. Department of Computer Science, University of Beira Interior, Portugal, NOVA Laboratory for Computer Science and Informatics (NOVA LINCS), Portugal, and GREYC - Groupe de Recherche en Informatique, Image et Instrumentation de University of Caen Normandie, France