Received: 23 January 2020
Accepted: 13 April 2020
First Online: 25 April 2020
Ethics approval and consent to participate
: All patients provided written informed consent for participation in the study, and the study was approved by the ethics committee of our hospital (No. 3105/15P, Comité de Ética de la Investigación de las Islas Baleares- CEI-IB). All research was performed in accordance with relevant guidelines/regulations.
: Not applicable.
: All the authors have no conflicts of interest.