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European Society of Regional Anaesthesia & Pain Therapy - ESRA American Society of Regional Anesthesia and Pain Medicine - ASRA Asian Ocean Society of Regional Anesthesia and Pain Medicine - AOSRA International Society for Minimal Intervention in Spinal Surgery - ISMISS International Association for the Study of Pain - IASP American Society of Interventional Pain Physicians - ASIPP Iranian Society of Regional Anesthesia & Pain Medicine - ISRAPM European Federation of IASP chapters - EFIC Iranian Pain Society - IASP Chapter Society for Pain Practice Management - SPPM