About the Authors

Javier Marco

To whom correspondence should be addressed. E-mail: Javier.marco@elmundo.es

Affiliation Hospital Clínico San Carlos, Madrid, Spain

Raquel Barba

Affiliation Fundación Hospital Alcorcón, Alcorcón, Madrid, Spain

Juan E Losa

Affiliation Fundación Hospital Alcorcón, Alcorcón, Madrid, Spain

Carlos Martínez de la Serna

Affiliation El Mundo, Madrid, Spain

María Sainz

Affiliation El Mundo, Madrid, Spain

Isabel Fernández Lantigua

Affiliation El Mundo, Madrid, Spain

Jose Luis de la Serna

Affiliation El Mundo, Madrid, Spain

Competing Interests

The Web site is sponsored by Roche Pharmaceuticals.

Author Contributions

RB and JEL designed the study. RB and JEL analyzed the data. JEL enrolled patients. JM, RB, JEL, CMDLS, IFL, and JLDLS contributed to writing the paper. RB, MS, and IFL collected data or did experiments for the study. CMDLS was in charge of the Web site where the pilot experiment was made. MS helped to maintain a swift communication between the Web users and the medical expert.