•    Nuclear Regulatory Commission (http://www.nrc.gov/),
•    International Atomic Energy Agency (http://www.iaea.org/),
•    World Health Organization (http://www.who.int/en/),
•    American Nuclear Society (http://www.new.ans.org/),
•    International Radiation Protection Association (http://www.irpa.net/),
•    National Academy of Sciences (http://www.nationalacademies.org/),
•    Nuclear Energy Agency (http://www.oecd-nea.org/) and
•    Environmental Protection Agency (http://www.epa.gov/)