I think it's certainly the case that we are seeing some of those. I would call them more of a nuisance than roadblocks. There are challenges in working through some of the visa situations. I can think anecdotally, like Dr. Mosca, of an example that we have right now of trying to work through the visa situation with one of our key employees.
To your question, I would say it's more of a nuisance. Again, like Dr. Mosca, we tend to be advocating pretty aggressively on behalf of our colleagues.