AAGBI - Association of Anaesthesists of Great Britain and Ireland
http://www.aagbi.org/

AAPM - American Academy of Pain Medicine
http://www.painmed.org/

AAROI - Italian Association of Anesthesiologists and Intensive Care Physicians
http://www.aaroi.it/

ACPA - American Chronic Pain Association
http://www.theacpa.org/

American Academy of Pain Management
http://www.aapainmanage.org/

APF - American Pain Foundation
http://www.painfoundation.org/

APS - American Pain Society
http://www.ampainsoc.org/

ASA - American Society of Anesthesiologists
http://www.asahq.org/

ASRA - American Society of Regional Anesthesia
http://www.asra.com/

Austrian Anaesthesia
http://www.anesthesia.at/

CAS - Canadian Anesthesiologists Society
http://www.cas.ca/

Collège Francais des Anesthèsistes Rèanimateurs
http://www.cfar.org/

Danish Society of Anaesthesia
http://www.dasaim.dk/

ESA - European Society of Anaesthesiologists (ESA)
http://www.euroanesthesia.org/

ESRA - European Society of Regional Anaesthesia
http://www.esraeurope.org/

IASP - International Association for the Study of Pain
http://www.iasp-pain.org/

ISRANEST - Israel Society of Anaesthesiology
http://www.isranest.org.il/english/

Royal College of Anaesthesists
http://www.rcoa.ac.uk/

SGAR - Schweizerische Gesellschaft für Anästhesiologie und Reanimation (=SSAR)
http://www.sgar-ssar.ch/