Where can I find additional information?For additional information, see the followingwebsites:• Federal Communications Commission(FCC) RF Safety Program (select“Information on Human Exposure to RFFields from Cellular and PCS RadioTransmitters”):http:// www.fcc.gov/oet/rfsafety.• World Health Organization (WHO)International Commission onNon-Ionizing Radiation Protection(select Qs & As):http://www.who.int/emf• United Kingdom, National RadiologicalProtection Board:http://www.nrpb.org.uk• Cellular Telecommunications IndustryAssociation (CTIA):http://www.wow-com.com• U.S. Food and Drug Administration (FDA)Center for devices and Radiological Health:http://www.fda.gov/cdhr/ consumer/1 Muscat et al. Epidemiological Study ofCellular Telephone Use and Malignant BrainTumors. In: State of the Science Symposium;1999 June 20; Long Beach, California.2 Tice et al. Tests of mobile phone signals foractivity in genotoxicity and other laboratoryassays. In: Annual Meeting of theEnvironmental Mutagen Society; March 29,1999, Washington, DC; and personalcommunication, unpublished results.3 Preece, AW, Iwi, G, Davies-Smith, A,Wesnes, K, Butler, S, Lim, E, and Varey, A.Effect of a 915- MHz simulated mobile phonesignal on cognitive function in man. Int. J.Radiat. Biol., April 8, 1999.4 Hardell, L, Nasman, A, Pahlson, A,Hallquist, A and Mild, KH. Use of cellulartelephones and the risk for brain tumors; acase-control study. Int. J. Oncol, 15: 113-116,1999.U.S. FDA