About the Authors

Francesca Sperati

Contributed equally to this work with: Francesca Sperati, Patrizia Vici, Marcella Mottolese

Affiliation Bostatistics/Scientific Direction, Regina Elena National Cancer Institute, Rome, Italy

Patrizia Vici

Contributed equally to this work with: Francesca Sperati, Patrizia Vici, Marcella Mottolese

Affiliation Division of Medical Oncology B, Regina Elena National Cancer Institute, Rome, Italy

Marcello Maugeri-Saccà

Affiliation Division of Medical Oncology B/Scientific Direction, Regina Elena National Cancer Institute, Rome, Italy

Saverio Stranges

Affiliation Health Sciences, Warwick Medical School, Coventry, United Kingdom

Nancy Santesso

Affiliation Department of Clinical Epidemiology and Biostatistics, McMaster University Health Sciences Centre, Ontario, Canada

Luciano Mariani

Affiliation Division of Gynecologic Oncology, Regina Elena National Cancer Institute, Rome, Italy

Antonio Giordano

Affiliation Sbarro Institute for Cancer Research and Molecular Medicine and Center of Biotechnology, Temple University, Philadelphia, Pennsylvania, United States of America

Domenico Sergi

Affiliation Division of Medical Oncology B, Regina Elena National Cancer Institute, Rome, Italy

Laura Pizzuti

Affiliation Division of Medical Oncology B, Regina Elena National Cancer Institute, Rome, Italy

Luigi Di Lauro

Affiliation Division of Medical Oncology B, Regina Elena National Cancer Institute, Rome, Italy

Maurizio Montella

Affiliation Epidemiology Unit, National Cancer Institute G. Pascale Foundation, Naples, Italy

Anna Crispo

Affiliation Epidemiology Unit, National Cancer Institute G. Pascale Foundation, Naples, Italy

Marcella Mottolese

Contributed equally to this work with: Francesca Sperati, Patrizia Vici, Marcella Mottolese

Affiliation Department of Pathology, Regina Elena National Cancer Institute, Rome, Italy

Maddalena Barba

maddalena.barba@gmail.com

Affiliation Division of Medical Oncology B/Scientific Direction, Regina Elena National Cancer Institute, Rome, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MB M. Mottolese. Analyzed the data: FS. Contributed reagents/materials/analysis tools: FS. Wrote the paper: FS PV MB. Designed search strategy, performed and updated search: NS. Screened reference files and extracted data: NS DS LP AC. Provided methodological advice and critically revised the manuscript: MM-S SS LM AG LDL M. Montella.