Coronary Artery Bypass Grafting (CABG)

• University Hospital Augsburg — Augsburg, Germany
• Charité Universitätsmedizin Berlin — Berlin, Germany
• University of Bonn — Bonn, Germany
• University Hospital Goettingen — Göttingen, Germany

• Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine — Shanghai, Shanghai Municipality, China
• Changhai Hospital — Shanghai, Shanghai Municipality, China
• Shanghai Chest Hospital — Shanghai, Shanghai Municipality, China
• Shanghai General Hospital — Shanghai, Shanghai Municipality, China

• Hellenic Mediterranean University — Heraklion, Crete, Greece

Not specified

• First Pavlov State Medical University of St. Petersburg — Saint Petersburg, Russia

• Cardiac Surgery Clinic University Hospital Basel — Basel, Switzerland

• Samsun University Faculty of Medicine — Samsun, Turkey (Türkiye)