HHIGambler posted the letter Dr. Lalezari wrote on 12/8/21 to various people (including Dr. Woodcock) where Dr. L discussed number of shots. You can read it here.

https://investorshangout.com/post/view?id=6298450

He also discussed it in one or two interviews. I may have the interview(s) bookmarked. If anyone wants to hear them, let me know and I will check.