They host satellite symposia at conferences. They also host hospital rounds or sponsor hospital rounds presentations, just like the session I attended in 2010. This would be an hour-long presentation, usually in the morning, at which physicians meet to discuss a particular clinical topic. Those are commonly sponsored by pharmaceutical companies. They also happen at lunchtimes in clinics and they are sponsored by drug companies that often bring lunch. It's very common.
On February 13th, 2014. See this statement in context.