I received an interview invite after being on hold. Was complete 8/7, received interview invite 11/15, but received notice of being on hold twice in between.
I didn't really do anything special. A couple of SDNers here in DC have asked me whether or not they should go up to the admissions office like I did. I can tell you that I won't tell you what to do either way, but the times that I went up there, I was simply asking general questions regarding application timelines, what the status was with the hold, etc. etc. but I NEVER NEVER identified myself or gave them any personal information nor did I check up with the status of my application in person while i was there. I always just said that I was "a student with a complete application" or "a student who received the hold", etc. etc.
you guys can decide what you want to do beyond that. Me going up there didn't affect my personal application in any way and didn't play a factor in me getting the interview. The only things I have heard from other current students at GWUMC or even graduates is to keep showing interest in different ways, i.e. reference letters, new healthcare experiences, positive grade trends.
EDIT: after typing all that I realized that Waiting112 asked for "anybody else"...oops. oh well.