1. Department of Geriatric Medicine, Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City
2. Division of Clinical Physiology, Faculty of Medicine, University of Debrecen, Hungary
3. Dalton Cardiovascular Research Center; Departments of Biological Engineering and Medical Pharmacology and Physiology, University of Missouri, Columbia
4. Department of Medical Physics and Informatics, University of Szeged, Hungary
5. Department of Neurosurgery, Medical School, University of Pecs, Hungary
6. Department of Cell Biology, University of Oklahoma Health Science Center, Oklahoma City
7. Department of Pediatrics, Albert Einstein College of Medicine, New York
8. Department of Pulmonology, Semmelweis University, Budapest, Hungary