About the Authors

Maciej J. Czachorowski

Affiliation Genetic and Molecular Epidemiology Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain

André F. S. Amaral

Affiliation Genetic and Molecular Epidemiology Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain

Santiago Montes-Moreno

Affiliation Servicio de Anatomía Patológica, Hospital Universitario Marqués de Valdecilla, Santander, Spain

Josep Lloreta

Affiliations Institut Municipal d’Investigació Mèdica – Hospital del Mar, Barcelona, Spain, Departament de Patologia, Hospital del Mar – Parc de Salut Mar, Barcelona, Spain, Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra, Barcelona, Spain

Alfredo Carrato

Affiliations Hospital General Universitario de Elche, Elche, Spain, Hospital Ramon y Cajal, Madrid, Spain

Adonina Tardón

Affiliation Universidad de Oviedo, Oviedo, Spain

Manuel M. Morente

Affiliation Tumor Bank Unit, Spanish National Cancer Research Centre (CNIO), Madrid, Spain

Manolis Kogevinas

Affiliation Centre de Recerca en Epidemiologia Ambiental (CREAL), Barcelona, Spain

Francisco X. Real

Affiliations Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra, Barcelona, Spain, Epithelial Carcinogenesis Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain

Núria Malats

nmalats@cnio.es

Affiliation Genetic and Molecular Epidemiology Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain

for the SBC/EPICURO investigators

Membership of the Spanish Bladder Cancer (SBC)/EPICURO Study investigators is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NM FXR MK JL AC AT. Performed the experiments: MJC NM FXR MK JL AC AT SMM MMM. Analyzed the data: MJC AFSA. Contributed reagents/materials/analysis tools: NM FXR MK AC AT. Wrote the paper: MJC AFSA NM. Revised the manuscript: SMM MMM.