International Association for Study of Pain (IASP): www.iasp-pain.org

Capitulo Peruano de la International Association for the Study of Pain (IASP): www.asped.org.pe

EFIC, The European Federation of IASP Chapters (IASP, the International Association for the Study of Pain). www.efic.org

Sociedad Española del Dolor. http://www.sedolor.es