New York Medical College, USA

TheDr.com, USA

National Institute for Cardiovascular Diseases, Slovak Republic

Tongji Hospital & Medical College, Huazhong University of Science and Technology, China

Fujian Medical University, First Affiliated Hospital, China

The American Physiological Society, USA

Heart Fit Clinic, Canada

Comenius University, Slovak Republic

Palliative Formation, France

University of Luebeck, Germany

PRODIDGERIDOO, Switzerland

Cardio Phoenix Inc., Mexico