Prof. Dr. med. Pontus B. Persson is the Director of the Institut für Vegetative Physiologie, Charité, Universtätsmedizin Berlin. He received the Gerhard-Hess fellowship from the German Research Foundation and served as the President of the German Physiological Society in 2001. From 2001-2007 Persson was the first Editor-in–Chief of an American Journal of Physiology from outside North America.


Prof. Dr. med. Walter Zidek is Chairman of Internal Medicine and Head of the Dept. of Nephrology and Endocrinology (Medizinische Klinik IV, Charité, Universitätsmedizin Berlin). He has been the President of the German Society of Hypertension from 2001 to 2004. He is Editor-in-Chief of the journal "Trace Elements and Electrolytes" and is member of the editorial board of several other international journals, including the Journal of Hypertension.