This study was partly supported by an EU project (SYMBIOSIS-EU)
within the 7th Framework Programme (grant agreement no. 211638). The
information in this article reflects only the authors’ views, and the
Community is not liable for any use that maybe made of the information
contained herein. We are grateful to Dr. Luigi Schiavo and Antonio Scarpa
for advice in the use of the LibraNose. We also thank Antonella Nasi for
skillful technical collaboration.