Correction to: Scientific Reports 10.1038/s41598-018-30780-4, published online 06 September 2018
The original version of this Article contained an error in the order of author names, which was incorrectly given as ‘Francesco Passiglia, Sergio Rizzo, Massimo Di Maio, Antonio Galvano, Giuseppe Badalamenti, Angela Listì, Leonardo Gulotta, Marta Castiglia, Viviana Bazan, Antonio Russo & Fabio Fulfaro’.
In addition, in the original version of this Article the author Massimo Di Maio was incorrectly indexed.
These errors have now been corrected in the HTML and PDF versions of this Article.