A preparatory groundwork for the DQA tool was published in Kapsner et al. (2019):

L.A. Kapsner, M.O. Kampf, S.A. Seuchter, G. Kamdje-Wabo, T. Gradinger, T. Ganslandt, S. Mate, J. Gruendner, D. Kraska, and H.-U. Prokosch, Moving Towards an EHR Data Quality Framework: The MIRACUM Approach, Studies in Health Technology and Informatics. (2019) 247–253. doi:10/gf93n9..

The principles implemented in the R package DQAstats including the concept to utilize a metadata repository (MDR) for configuring the DQA tool are published in Kapsner et al. (2021):

L.A. Kapsner, J.M. Mang, S. Mate, S.A. Seuchter, A. Vengadeswaran, F. Bathelt, N. Deppenwiese, D. Kadioglu, D. Kraska, and H.-U. Prokosch, Linking a Consortium-Wide Data Quality Assessment Tool with the MIRACUM Metadata Repository, Appl Clin Inform. 12 (2021) 826–835. doi:10.1055/s-0041-1733847.