About the Authors

Elena Rossi

Contributed equally to this work with: Elena Rossi, Roberto Giorda, Maria Clara Bonaglia

Affiliation Medical Genetics, University of Pavia, Pavia, Italy

Roberto Giorda

Contributed equally to this work with: Elena Rossi, Roberto Giorda, Maria Clara Bonaglia

Affiliation Scientific Institute Eugenio Medea, Bosisio Parini, Lecco, Italy

Maria Clara Bonaglia

Contributed equally to this work with: Elena Rossi, Roberto Giorda, Maria Clara Bonaglia

Affiliation Scientific Institute Eugenio Medea, Bosisio Parini, Lecco, Italy

Stefania Di Candia

Affiliation Department of Pediatrics, San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy

Elena Grechi

Affiliation Department of Pediatrics, San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy

Adriana Franzese

Affiliation Department of Pediatrics, University Federico II, Naples, Italy

Fiorenza Soli

Affiliation Medical Genetics Department, APSS Trento, Trento, Italy

Francesca Rivieri

Affiliation Medical Genetics Department, APSS Trento, Trento, Italy

Maria Grazia Patricelli

Affiliation Biologia Molecolare Clinica e Citogenetica, Diagnostica e Ricerca, San Raffaele SPA, Milan, Italy

Donatella Saccilotto

Affiliation Genetica Medica, Ospedale Civile, Bassano del Grappa, Italy

Aldo Bonfante

Affiliation Genetica Medica, Ospedale Civile, Bassano del Grappa, Italy

Sabrina Giglio

Affiliation Medical Genetics Unit, Meyer Children's Hospital, University of Firenze, Firenze, Italy

Silvana Beri

Affiliation Scientific Institute Eugenio Medea, Bosisio Parini, Lecco, Italy

Mariano Rocchi

Affiliation Department of Biology, University of Bari, Bari, Italy

Orsetta Zuffardi

zuffardi@unipv.it

Affiliations Medical Genetics, University of Pavia, Pavia, Italy, IRCCS “C. Mondino National Neurological Institute” Foundation, Pavia, Italy

Competing Interests

Orsetta Zuffardiis was funded by Cassa di Risparmio delle Provincie Lombarde (CARIPLO:2007.5197, bando 2007). There are no patents or products in development or marketed products to declare. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: OZ ER RG MCB SG. Performed the experiments: ER RG SB. Analyzed the data: RG ER SB MCB OZ. Contributed reagents/materials/analysis tools: SDC EG AF FS FR MGP DS AB. Wrote the paper: OZ RG ER MCB MR.