**Declarations**

This work received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors. The sole author, Charles M. Lepkowsky, PhD, wrote this chapter in accordance with the Ethical Principles of the American Psychological Association. Accordingly, patient identifiers were intentionally minimized. The author accepts responsibility for the conception and design of the chapter, acquisition, analysis, and interpretation of data, drafting, writing, editing and final approval of the version published. The author is accountable for ensuring that any questions regarding the accuracy or integrity of all parts of the chapter were thoroughly investigated and resolved.
