Funding for this research was provided by:
Red de Investigación Corporativa Enfermedades Tropicales ((RD12/0018/0008, RD16/0027/0017))
Received: 20 March 2019
Accepted: 19 July 2019
First Online: 24 July 2019
Ethics approval and consent to participate
: All patients consented to participate in the study. The study was approved by the Ethics Committee (APR 12-67) of the Hospital Universitario de Fuenlabrada, Madrid, Spain.
: Not applicable.
: The authors declare that they have no competing interests.