Correction to: Scientific Reports https://doi.org/10.1038/s41598-017-13413-0, published online 12 October 2017

The original version of this Article listed an incorrect Affiliation for Agatino Russo. The correct Affiliation is listed below:

University of Catania, Department of Agriculture, Food and Environment, via Santa Sofia 100, 95123, Catania, Italy.

This has now been corrected in the HTML and PDF versions of this Article, and in the accompanying Supplementary Information file.