(Source: Bayer 04 Leverkusen Fußball GmbH) A great result for the Werkself, a convincing vote from fans and customers: Bayer 04 Leverkusen have received top marks in nearly all areas relating to special service quality. At last weekend's Rhineland derby against FC Köln, CEO Michael Schade received a 'certificate of service quality' from representatives of the TÜV Rhineland and the independent market research company SLC Management GmbH. That document demonstrates successful...