About the Authors

Victoria Mielgo

victoriaeugenia.mielgoturuelo@osakidetza.net

Affiliation Experimental Research Unit, Biocruces Health Research Institute, Cruces University Hospital, Barakaldo, Spain

Adolf Valls i Soler

† Deceased on December 20th, 2013

Affiliation Department of Pediatrics, School of Medicine and Dentistry, University of the Basque Country, Barakaldo, Spain

Carmen Rey-Santano

Affiliation Experimental Research Unit, Biocruces Health Research Institute, Cruces University Hospital, Barakaldo, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VM AVS CRS. Performed the experiments: VM CRS. Analyzed the data: VM AVS CRS. Wrote the paper: VM CRS. Screening articles by titles and abstracts: VM CRS. Full text of articles considered relevant evaluation: VM AVS CRS.