Copyright © 2021 Lopez-de-Ipina, Solé-Casals, Sánchez-Méndez, Romero-Garcia,
Fernandez, Requejo, Poologaindran, Faúndez-Zanuy, Martí-Massó, Bergareche and
Suckling. This is an open-access article distributed under the terms of the Creative
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Except where otherwise noted, this item's license is described as Copyright © 2021 Lopez-de-Ipina, Solé-Casals, Sánchez-Méndez, Romero-Garcia, Fernandez, Requejo, Poologaindran, Faúndez-Zanuy, Martí-Massó, Bergareche and Suckling. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.