The German Medical Association (GMA) (German: Bundesärztekammer, BÄK), founded in 1947 and based in Berlin, is the co-ordinating body of physicians’ self-regulation in Germany. It co-ordinates the activities of the 17 State Chambers of Physicians which are responsible for regulation of the medical profession. As of 31 December 2007[update], the GMA represents the professional interests of the more than 400,000 physicians. The German Medical Association is co-owner of the medical journal Deutsches Ärzteblatt and of the German Agency for Quality in Medicine, a member of the Guidelines International Network—together with the National Association of Statutory Health Insurance Physicians.