From a decision last Tuesday in Doe v. Florida Bar by Magistrate Judge Robert Norway (M.D. Fla.):
Plaintiff argues that because this lawsuit challenges the actions of an "official arm of the Supreme Court of Florida," Plaintiff should be allowed to proceed under a pseudonym. Plaintiff further argues that he should be permitted to utilize a pseudonym because his medical and psychological information would be disclosed publicly, and his personal safety would be at risk….
For more details, here's an excerpt from Doe's argument for pseudonymity: