Feature-expression heat maps – A new visual method to explore complex associations between two variable sets. - Haarman, Bartholomeus C.M. (Benno); Riemersma-Van der Lek, Rixt F.; Nolen, Willem A.; Mendes, R.; Drexhage, Hemmo A.; Burger, Huibert (Journal of Biomedical Informatics, 2015)