Published: 4 June 2015
Author(s): Armando Tripodi, Fabio Pellegatta, Veena Chantarangkul, Liliana Grigore, Katia Garlaschelli, Andrea Baragetti, Laura Lemma, Alberico Catapano
Due to an author error the affiliation of Alberico Catapano was incorrect in the published article. The correct affiliation is given above.
