**Author details**

Guida Giuseppe\* and Antonelli Andrea Allergy and Pneumology Unit, A.S.O Santa Croce and Carle, Cuneo, Italy

\*Address all correspondence to: giuseppe.alesgui@gmail.com

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
