POSNA(Paediatric Orthopaedic Society of North America)
EPOS(European Paediatric Orthopaedic Society)
TPOS(Taiwan Pediatric Orthopaedic Society)
KPOS(The Korean Paediatric Orthopaedic Society)
APOA(ASIA PACIFIC ORTHOPAEDIC ASSOCIATION)
IPOTT(International Pediatric Orthopaedic Think Tank)