1. Department of Functional Sciences, Chair of Pathophysiology, ‘Victor Babeş’ University of Medicine & Pharmacy of Timisoara, Romania
2. Department of Clinical Biochemistry, Royal Free Campus University College London Medical School, University College London, London UK
3. University of Illinois College of Medicine, Peoria, IL, USA
4. Department of Hypertension, Chair of Nephrology & Hypertension, Medical University of Lodz, Zeromskiego 113, 90–549 Lodz, Poland