Institute of Health Economics and Clinical Epidemiology
Köln, North Rhine-Westphalia, Germany
GO, a certified pharmacist and general internist, has been chief editor of the German Journal for Evidence and Quality in Healthcare ZEFQ (www.zefq.de) since 1995, and was head of the German Agency for Quality in Medicine (www.aezq.de) from 1995 until 2014. He was co-founder of the German Network for Evidence Based Medicine (www.dnebm.de) and of the Guidelines International Network (www.g-i-n.net). GO is assoc. professor of internal medicine, University of Cologne, Institute of Health Economics.