About the Authors

Andrea Baccarelli

To whom correspondence should be addressed. E-mail: abaccare@hsph.harvard.edu

Affiliations Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, United States of America , Department of Occupational and Environmental Health, Clinica del Lavoro “L. Devoto,” University of Milan, Milan, Italy , Department of Preventive Medicine, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ospedale Maggiore Policlinico, Mangiagalli, Regina Elena Foundation, Milan, Italy

Sara M Giacomini

Affiliations Department of Occupational and Environmental Health, Clinica del Lavoro “L. Devoto,” University of Milan, Milan, Italy , Department of Preventive Medicine, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ospedale Maggiore Policlinico, Mangiagalli, Regina Elena Foundation, Milan, Italy

Carlo Corbetta

Affiliation Neonatal Screening Laboratory, “V. Buzzi” Children's Hospital, Milan, Italy

Maria Teresa Landi

Affiliation Genetic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health/Department of Health and Human Services (NIH/DHHS), Bethesda, Maryland, United States of America

Matteo Bonzini

Affiliations Department of Occupational and Environmental Health, Clinica del Lavoro “L. Devoto,” University of Milan, Milan, Italy , Department of Preventive Medicine, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ospedale Maggiore Policlinico, Mangiagalli, Regina Elena Foundation, Milan, Italy

Dario Consonni

Affiliations Department of Occupational and Environmental Health, Clinica del Lavoro “L. Devoto,” University of Milan, Milan, Italy , Department of Preventive Medicine, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ospedale Maggiore Policlinico, Mangiagalli, Regina Elena Foundation, Milan, Italy

Paolo Grillo

Affiliations Department of Occupational and Environmental Health, Clinica del Lavoro “L. Devoto,” University of Milan, Milan, Italy , Department of Preventive Medicine, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ospedale Maggiore Policlinico, Mangiagalli, Regina Elena Foundation, Milan, Italy

Donald G Patterson Jr.

Affiliation EnviroSolutions Consulting, Jasper, Georgia, United States of America

Angela C Pesatori

Affiliations Department of Occupational and Environmental Health, Clinica del Lavoro “L. Devoto,” University of Milan, Milan, Italy , Department of Preventive Medicine, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ospedale Maggiore Policlinico, Mangiagalli, Regina Elena Foundation, Milan, Italy

Pier Alberto Bertazzi

Affiliations Department of Occupational and Environmental Health, Clinica del Lavoro “L. Devoto,” University of Milan, Milan, Italy , Department of Preventive Medicine, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ospedale Maggiore Policlinico, Mangiagalli, Regina Elena Foundation, Milan, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

AB, CC, DC, and PAB designed the study. SMG and PG organized and performed the data collection. MTL, DGP, ACP, and PAB designed and established the Seveso Choracne Study. MB performed data analyses under AB's and DC's supervision. AB and SMG wrote the manuscript. AB, SMG, CC, MTL, MB, DC, PG, DGP, ACP, and PAB contributed to the data interpretation and critical revision of the manuscript.