**Author details**

Christian Castillo Latorre\*, Sulimar Morales Colon, Alba D. Rivera Diaz, Vanessa Fonseca Ferrer, Mariana Mercader Perez, Ilean Lamboy Hernandez, Luis Gerena Montano, William Rodriguez Cintron and Onix Cantres Fonseca VA Caribbean Healthcare System, San Juan, Puerto Rico

\*Address all correspondence to: ccl0332@gmail.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.

*Environmental and Occupational Factors; Contribution and Perspectives on Difficult to Treat… DOI: http://dx.doi.org/10.5772/intechopen.108605*
