Enhanced Recovery After Surgery (ERAS) Protocol

• Xuanwu hospital, Capital Medical University — Beijing, Beijing Municipality, China
• Beijing Friendship Hospital of Capital Medical University — Beijing, China
• Department of Orthopedics, the Seventh Mecical Center of PLA General Hospital — Beijing, China
• Peking University First Hospital — Beijing, China

• Kulsoom Internation Hospital — Islamabad, Federal, Pakistan

• Mansoura University Hospital — Al Mansurah, Egypt

Not specified

• faculty of medicine-Cairo university — Cairo, Egypt

• University of Health Sciences, Bursa City Hospital — Bursa, Turkey (Türkiye)

• Department of Anesthesiology and Critical Care Medicine, Peking University First Hospital — Beijing, Beijing Municipality, China

• Recep Tayyip Erdogan Hospital Muzaffargarh — Muzaffargarh, Punjab Province, Pakistan

• Alnao Teaching Hospital — Khartoum, Omdurman, Sudan

• Gazi University School of Medicine Department of Anesthesiology and Reanimation — Ankara, Turkey (Türkiye)