Open Heart Surgery

• Atatürk Unıversty — Erzurum, Turkey (Türkiye)

Not specified

• University Pittsburgh Medical Center — Pittsburgh, Pennsylvania, United States

• Kocaeli University — Köseköy, Kocaeli, Turkey (Türkiye)

• Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand — Khon Kaen, Changwat Khon Kaen, Thailand

• Dr. Cipto Mangunkusumo National Central General Hospital — Jakarta Pusat, DKI Jakarta, Indonesia

• Assuit university — Asyut, Asyut Governorate, Egypt

• Assiut University Faculty of Medicine — Asyut, Egypt
• Beni Suef University Faculty of Medicine — Banī Suwayf, Egypt
• Cairo University Hospital — Cairo, Egypt

• Research site — Munich, Germany

• Atatürk University — Erzurum, Yakutiye, Turkey (Türkiye)