About the Authors

Hélène Carabin

Affiliation Department of Biostatistics and Epidemiology, College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, United States of America

Francisco J. Balsera-Rodríguez

Affiliation Department of General Surgery, Section of Hepato-Biliopancreatic Surgery, Txagorritxu Hospital, Vitoria-Gasteiz, Spain

José Rebollar-Sáenz

Affiliation Department of General Surgery, Section of Hepato-Biliopancreatic Surgery, Txagorritxu Hospital, Vitoria-Gasteiz, Spain

Christine T. Benner

Affiliation Department of Biostatistics and Epidemiology, College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, United States of America

Aitziber Benito

Affiliation Health Promotion Section, Department of Health, Basque Government, Vitoria-Gasteiz, Spain

Juan C. Fernández-Crespo

Affiliation Laboratory of Public Health of Álava, Department of Health, Basque Government, Vitoria-Gasteiz, Spain

David Carmena

dacarmena@isciii.es, d.carmena71@gmail.com

Affiliation Parasitology Service, National Centre for Microbiology, Health Institute Carlos III, Majadahonda, Madrid, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DC HC. Performed the experiments: HC CTB FJBR JRS. Analyzed the data: HC CTB JRS DC. Contributed reagents/materials/analysis tools: FJBR JRS AB JCFC. Wrote the paper: DC HC.