Text and Data Mining valid from 2018-12-01
Received: 28 December 2017
Accepted: 23 November 2018
First Online: 7 December 2018
: These results were presented in part at the ASM Microbe Meeting, New Orleans, LA, 1–5 June 2017; abstract # 243.
: The study was approved by the Research Ethics Committee of the Principado de Asturias. Because this was a retrospective study based on medical records since 1994, no individual informed consent from each participant could be obtained. However, data were analyzed anonymously, and the study was approved by the Research Ethics Committee of the Principado de Asturias.
: Not applicable.
: The authors declare that they have no competing interests.
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