Benjamín Arroquia-Cuadros, Universidad Internacional de Valencia
Ángel Marqués-Mateu, Universitat Politècnica de València
Laura Sebastia, Universitat Politècnica de València
Pablo Fdez-Arroyabe, University of Cantabria
We thank the Spanish Ministry of Health for providing the Minimum Basic Hospitalization Data Set (CMBD-H) through the Healthcare Information and Statistics Area. Also, a deep appreciation goes to colleagues at the Instituto de Fı́sica de Cantabria (IFCA) for providing cloud computing resources.