The author is very grateful to Prof. Christine R. Rose (Institute for Neurobiology, Heinrich-Heine-University Duesseldorf) for her inspiring advices on neurobiological aspects of the potassium spatial buffering. The financial support by the Interdisciplinary Center for Scientific Computing, the International Graduiertenkolleg 710 (DFG) and the funding by National Genome Research Network (a program of the German Federal Ministry of Education and Research (BMBF)) are acknowledged.
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