In Addition to Raising Vocal Pitch in Males Transitioning to Female

In addition to raising vocal pitch in males transitioning to female or lowering pitch in females transitioning to males, which of the following is/are additional therapeutic technique(s) in the transgender population?

A) Training males transitioning to female to increase vocal intensity
B) Training males transitioning to female to place their tongue more anteriorly when speaking
C) Training females transitioning to male to use a more breathy voice quality
D) All of the above