**Author details**

Francisco Urbina\* and María Isabel Herane Dermatologist in Private Practice, Santiago, Chile

\*Address all correspondence to: fcourbina@hotmail.com

© 2022 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.
