Availability of data and material
Data sharing is not applicable to this article as no datasets were generated or analyzed during the current study.
Competing interests
The authors declare that they have no competing interests.
Funding
There was no funding for this publication.
Authors’ contributions
LAV and PL designed and created the manuscript. LM review and contributed to the final manuscript. All authors approved the submitted version and agree to be personally accountable for their own contributions and warrant that questions concerning the accuracy or completeness of any part of the work, even those in which the authors were not personally involved, were adequately investigated, and resolved, and the resolution is documented in the bibliography.
Acknowledgements
Authors want to acknowledge the contribution of all staff of the internal medicine department of Ramon y Cajal Hospital.