Blood Loss, Surgical

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

• Sayed Galal Hospital, Alhusein Hospital, Alzahraa Hospital — Cairo, Egypt

Not specified

• Northwestern University - Northwestern Medicine, Lavin Family Pavillion — Chicago, Illinois, United States

• faculty of medicine - Cairo university — Cairo, Kasr El Ainy, Egypt

• Centre Hospitalier de l'Université de Montréal (CHUM) — Montreal, Quebec, Canada

• Mayo Clinic in Rochester — Rochester, Minnesota, United States

• Indiana University d/b/a/ Methodist Research Institute — Indianapolis, Indiana, United States

• Sayed Galal Hospital and Shoubra General Hospital — Cairo, Egypt

• Banha University Hospitals — Banhā, Kalubiaya, Egypt
• Banha university hospital — Banhā, Qalyubia Governorate, Egypt