1. Department of Pharmacology & Pharmacotherapy, Szeged, Hungary
2. Research Unit for Cardiovascular Pharmacology, Hungarian Academy of Sciences, Szeged, Hungary
3. Department of Pharmacology, Georgetown University Medical Center, Washington, DC 20007‐2195, USA
4. 1st Department of Internal Medicine, Albert Szent‐Györgyi Medical University, Szeged, Hungary
5. 2nd Department of Internal Medicine, Albert Szent‐Györgyi Medical University, Szeged, Hungary