**Author details**

José Joaquín Rieta1,<sup>⋆</sup> and Raúl Alcaraz2

<sup>⋆</sup> Address all correspondence to: jjrieta@upv.es

1Biomedical Synergy, Electronic Engineering Department, Universidad Politécnica de Valencia, Gandia, Spain

2Innovation in Bioengineering Research Group, University of Castilla-La Mancha, Cuenca, Spain
