Brazilian Medical Homeopathic Association – AMHB (Associação Médica Homeopática Brasileira)
European Committee for Homeopathy – ECH
Nederlandse Vereniging van Klassieke Homeopaten – NVKH
International Research Group on Very Low dose and High Dilution Effects – GIRI (Groupe International de Recherche sur l’Infinitésimal)
Liga Medicorum Homeopathica Internationalis – LMHI