240 DYSPLASIAS REVISITED – CONSIDERATIONS FOR A MULTIDIMENSIONAL APPROACH TO HETEROGENEITY OF MDS: DATA ON 1979 PATIENTS FROM THE GERMAN AUSTRIAN DATA BASE. Issue 1 (April 2015) - Pfeilstöcker, M.; Tuechler, H.; Nachtkamp, K.; Platzbecker, U.; Schönmetzler, A.; Sperr, W.; Stauder, R.; Strupp, C.; Valent, P.; Germing, U.