1. Internal Medicine/Cardiology TsimTsoum Institute Krakow, Poland & Halberg Hospital Moradabad India
2. Cardiology Unit Fondazione Ospedale Maggiore Policlinico IRCCS Cà Granda, Milan, IT
3. Faculty of Medicine PJ Safaric University Kosice Slovakia
4. Department of Intensive Cardiology National Heart Hospital Sofia Bulgaria
5. Department of biotechnology Era's Medical College and Hospital Lucknow India
6. Halberg Chronobiology Center University of Minnesota Medical School Minneapolis USA
7. Adrian Isaza (PhD) Department of medicine Everglade University Tampa Florida USA
8. Department of Cardiology East Slovak Institute of Medical Sciences Kosice Slovakia
9. School of Natural Sciences University of Central Lancashire Preston UK
10. Dpt. of Medicine and Cardiovascular Disease University of Alabama Birmingham Alabama USA
11. Department of Cardiology Gulf Medical University‐Thumbay Hospitals Fujairah, United Arab Emirates 1002 UAE