Richard Wassersug, PhD, Paul Schellhammer, MD and Robert Watson, PhD are PCa researchers and also PCa patients, who have used both standard ADT agents and tE2 to control their own cancer. Wassersug is the lead author on the book Androgen Deprivation Therapy: an essential guide of prostate cancer patients and their loved ones (3rd edition) and also Co-Lead for the Androgen Deprivation Therapy educational program in Canada (LifeonADT.com). All authors are founding members of the Estradiol Initiative (estradiolinitiative.org).