These guys keep calling with an automated recording, and no matter whether you pick up or not, the multiple-times-per-week calls never stop. The guy, Chuck?, in the recorded message says to call 864-751-3734 but that number is always busy. If I was ever tempted to give blood, this continuous nuisance is diminishing such a notion. I am already on the donotcall registry, and in my mind this is unethical and counterproductive. CallerID says 864-255-5000 but no one available there, either. Disturbing to me that an organization could be so, er, disturbing.