Portuguese Institutions:
Agência Portuguesa do Ambiente
Associação Portuguesa dos Técnicos de Radiologia, Radioterapia e Medicina Nuclear
Autoridade Nacional de Protecção Civil
Autoridade para as Condições do Trabalho
Direcção Geral das Actividades Económicas
Instituto de Apoio às Pequenas e Médias Empresas e à Inovação
Instituto Tecnológico e Nuclear
Sociedade Portuguesa de Física
Sociedade Portuguesa de Protecção Contra Radiações
Sociedade Portuguesa de Radiologia e Medicina Nuclear
Sociedade Portuguesa de Radioterapia Oncologia
International Institutions:
The American Association of Physicists in Medicine
American National Standards Institute
Association of Institutions concerned with Medical Engineering
European Atomic Energy Community
European Committee for Standardization
European Federation of Organizations for Medical Physics
European Radiation Dosimetry Group
International Atomic Energy Agency
International Commission on Radiation Units and Measurements
International Commission on Radiological Protection
International Electrotechnical Commission
International Labour Organization
International Organisation for Medical Physics
International Organization for Standardization
International Radiation Protection Association
International Society of Radiographers and Radiological Technologists
International Society of Radiology
Journal of Applied Clinical Medical Physics
Sociedad Espanola de Fisica Medica
Société Française de Radioprotection
The Society for Radiological Protection