Arkansas Children's Hospital, Little Rock, Arkansas, United States
Children's National Hospital, Washington, District of Columbia, United States
Primary Children's Medical Center, Salt Lake City, Utah, United States
Azienda Ospedaliera Careggi, Florence, Firenze, Italy
Fujian Medical University Union Hospital, Fuzhou, Fujian, China
Guangzhou First People's Hospital, Guangzhou, Guangdong, China
Anyang City Tumor Hospital, Anyang, Henan, China
Qassim University, Al Qassim, Qassim, Saudi Arabia
Yale University, New Haven, Connecticut, United States
Priorov National Medical Research Center of Traumatology and Orthopedics, Moscow, Russian Federation
Huashan Hospital, Fudan University, Shanghai, China