About the Authors

Enrique Rey

rey.enrique.spain@gmail.com

Affiliation Division of Digestive Diseases, Hospital Clinico San Carlos, Universidad Complutense, Instituto de Investigacion Sanitaria San Carlos (IdISSC), Madrid, Spain

Marta Barcelo

Affiliation Division of Digestive Diseases, Hospital Clinico San Carlos, Universidad Complutense, Instituto de Investigacion Sanitaria San Carlos (IdISSC), Madrid, Spain

Maria Jose Jiménez Cebrián

Affiliations Centro Valdeluz, Madrid, Spain, Spanish Society of Nursing Homes Physicians (Sociedad Española de Medicos de Residencias – SEMER), Madrid, Spain

Angel Alvarez-Sanchez

Affiliation Division of Digestive Diseases, Hospital Clinico San Carlos, Universidad Complutense, Instituto de Investigacion Sanitaria San Carlos (IdISSC), Madrid, Spain

Manuel Diaz-Rubio

Affiliation Division of Digestive Diseases, Hospital Clinico San Carlos, Universidad Complutense, Instituto de Investigacion Sanitaria San Carlos (IdISSC), Madrid, Spain

Alberto Lopez Rocha

Affiliation Spanish Society of Nursing Homes Physicians (Sociedad Española de Medicos de Residencias – SEMER), Madrid, Spain

Competing Interests

One of the authors are employed by a commercial company (Centro Valdeluz), but it does not alter the authors' adherence to PLOS ONE policies on sharing date and materials.

Author Contributions

Conceived and designed the experiments: ER MB. Performed the experiments: MJJC MB ER. Analyzed the data: ER MDR. Wrote the paper: ER MB MJJC AAS MDR ALR.