Cardiac Surgery Patients

• General Hospital of Vienna - Medical University of Vienna — Vienna, Austria

• Mackay memorial hospital — Taipei, Taiwan

• Fuwai hospital — Beijing, China

• Sunnybrook Health Science Centre — Toronto, Ontario, Canada

• Aydın Adnan Menderes University — Aydin, Aydın, Turkey (Türkiye)

• University of Oviedo — Oviedo, Principality of Asturias, Spain

• RWTH Aachen University Hospital — Aachen, North Rhine-Westphalia, Germany

Not specified

• Dept. of Anaesthesiology and Intensive Care Medicine, University of Bonn — Bonn, Germany

• General University Hospital — Prague, Czechia