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Article History

Received: 18 March 2018

Accepted: 16 October 2018

First Online: 25 October 2018

Ethics approval and consent to participate

: Galician Clinical Research Ethics Committee approved this study (Code 2011/038) under resolution dated 2nd March 2011. We accessed patients’ clinical histories for study purposes in accordance with the research protocols laid down by clinical documentation departments. Patients provided written informed consent.

: Not applicable.

: JC and MS had financial support from Instituto de Salud Carlos III for the submitted work but they had no financial relationships with any organisations that might have an interest in the submitted work in the previous five years, and no other relationships or activities that could appear to have influenced the submitted work. The remaining authors had no support from any organisation for the submitted work; no financial relationships with any organisations that might have an interest in the submitted work in the previous five years and no other relationships or activities that could appear to have influenced the submitted work.

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