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Jürgen Stausberg and Kevin Bludßat were both at the Institut für Medizinische Informatik, Biometrie und Epidemiologie (IMIBE) of the University Duisburg-Essen. Any paper by them should be treated as if it were a primary source.

With this in mind, more independent references are needed. davidwr/( talk)/( contribs) 01:27, 16 November 2013 (UTC) reply