Cesarean Delivery

• Columbia University Irving Medical Center — New York, United States

• Lehigh Valley Health Network — Allentown, Pennsylvania, United States

• NewYork Presbyterian/The Allen Hospital — New York, United States

• Anesthesiology department, Siriraj hospital, Mahidol University — Bangkok, Thailand

Not specified

• General University Hospital in Prague — Prague, Czechia

• Duke University Medical Center — Durham, North Carolina, United States

• BC Women's Hospital — Vancouver, British Columbia, Canada

• Nanjing Maternal and Child Health Care Hospital — Nanjing, Jiangsu, China

• West Virginia University Hospital — Morgantown, West Virginia, United States