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  • 1Institute of Physiology and Experimental Pathophysiology, Friedrich-Alexander-University, Universitätsstrasse 17, D-91054 Erlangen, Germany Department of Experimental and Clinical Pharmacology and Toxicology, Emil-Fischer-Center, Friedrich-Alexander-University, Fahrstrasse 17, D-91054 Erlangen, Germany Department of Oral Physiology, Faculty of Dentistry, University of Toronto, Toronto, Ontario M5G 1G6, Canada.

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