Blood Loss, Surgical

• Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Goethe University — Frankfurt, North Rhine-Westphalia, Germany

• Patrick Wuethrich, Department of Anaesthesiology and Pain Therapy, University Hospital Bern Inselspital Bern — Bern, Canton of Bern, Switzerland

• Kasr Alainy medical school — Cairo, Egypt

• Feri̇de Karacaer — Adana, In the USA Or Canada, Please Select..., Turkey (Türkiye)

• Bezmialem Vakıf University Hospital — Istanbul, Turkey (Türkiye)

• National Cheng Kung University Hospital — Tainan, Taiwan

Not specified

• IRCCS San Raffaele Scientific Institute — Milan, Italy

• Acibadem University Mehmet Ali Aydinlar Atakent Hospital — Ankara, Turkey (Türkiye)
• Ankara University Cebeci Medical Center — Ankara, Turkey (Türkiye)
• Ankara University Ibni Sina Hospital — Ankara, Turkey (Türkiye)
• Başkent University Ankara Hospital — Ankara, Turkey (Türkiye)

• King Khaled Eye Specialist Hospital — Riyadh, Saudi Arabia