1. Larner College of Medicine's UVM Medical Centre University of Vermont Burlington Vermont USA
2. Heart and Vascular Centre Victoria Hospital Yangon Myanmar
3. Cardiology Department City Hospital Kramatorsk Ukraine
4. Institute of Cardiovascular Disease Timisoara and "Vasile Goldis” Western University Timișoara Romania
5. National Institute of Cardiovascular Diseases Karachi Pakistan
6. Internal Medicine Department Texas Tech University Health Science Center Lubbock Texas USA