Funding for this research was provided by:
Network of Biomedical Research on Tropical Diseases (RD12/0018/0001)
Network of Biomedical Research on Tropical Diseases (RD12/0018/0011)
Received: 1 June 2017
Accepted: 15 January 2018
First Online: 27 February 2018
Ethics approval and consent to participate
: Samples were analyzed in anonymous form. They belonged to repository C.0003989, which is registered at ISCIII Biobank, and were managed following current ethical recommendations, according to Spanish Royal Decree 1716/2011. Current ethical recommendations about disclosure and anonymization of individual patient data were adhered to at all times.
: Not applicable.
: The authors declare that they have no competing interests.
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