Whereabouts are you from? <a href=" https://www.gobsamsam.nl/methylprednisolone-is-used-for.pdf ">medrol overdose</a> The glitch was discovered by David Kriesel, a computer science researcher at the University of Bonn in Germany. He initially thought he was the butt of a practical joke when an architecture firm claimed that numbers on blueprints that Kriesel scanned earlier were altered. "I thought they were kidding," he told ABC News. "But I tried it myself without and the numbers changed [after being scanned]."