• 1
    Scotto J., Fears TR, Fraumeni JF. Incidence of Non-melanoma Skin Cancer in the United States. Be-thesda , MD : National Cancer Institute, US Dept. of Health and Human Services; 1983, Publication (NIH) S83S2433.
  • 2
    Fears TR, Bird CC, Guerry D. IV, Sagebiel RW, Gail MH, Elder DE, et al. Average midrange ultraviolet radiation flux and time outdoors predict melanoma risk. Cancer Res 2002;62:S3992S3996.
  • 3
    Kimlin MG. The climatology of vitamin D producing ultraviolet radiation over the United States. J Steroid Biochem Molec Biol 2004;89–90:S479S483.
  • 4
    US Department of Agriculture. UVB Monitoring and Research Program website. Available at: http:uvb.nrel.colostate.eduUVBhome_page.html. Accessed June 21, 2007.
  • 5
    US Department of Commerce, National Oceanic & Atmospheric Administration. NEUBrew: NOAA-EPA Brewer Spectrophotometer UV and Ozone Network. Available at: http:www.esrl.noaa.govgmdgradneubrew. Accessed June 21, 2007.
  • 6
    Slusser JR, Krotkov NA, Gao W., Herman JR, Labow G., Scott G. Comparisons of USDA UV shadow-band irradiance measurements with TOMS satellite and DISORT model retrievals under all sky conditions. In: JRSlusser, JRHerman, W.Gao, eds. Ultraviolet Ground- and Space-based Measurements, Models, and Effects. Proceedings of SPIE, Volume 4482. Bellingham , WA : SPID; 2002:S56S69.
  • 7
    Herlihy E., Gies PH, Roy CR, Jones M. Personal dosimetry of solar UV radiation for different outdoor activities. Photochem Photobiol 1994;60:S288S294.
  • 8
    English DR, Armstrong BK, Kricker A. Reproducibil-ity of reported measurements of sun exposure in a case-control study. Cancer Epidemiol Biomarkers Prev 1998;7:S857S863.
  • 9
    Kricker A., Vajdic CM, Armstrong BK. Reliability and validity of a telephone questionnaire for estimating lifetime personal sun exposure in epidemiologic studies. Cancer Epidemiol Biomarkers Prev 2005;14:S2427S2432.
  • 10
    Dwyer T., Blizzard L., Gies PH, Ashboth R., Roy C. Assessment of habitual sun exposure in adolescents via questionnaire—a comparison with objective measurement using polysulphone badges. Melanoma Res 1996;6:S231S239.
  • 11
    Lazovich D., Forster J. Indoor tanning by adolescents: prevalence, practices and policies. Eur J Cancer 2005;41:S20S27.
  • 12
    Gallagher RP, Spinelli JJ, Lee TK. Tanning beds, sunlamps, and risk of cutaneous melanoma. Cancer Epidemiol Biomarkers Prev 2005;14:S562S566.
  • 13
    IARC working group on artificial ultraviolet (UV) light and skin cancer. The association of use of sunbeds with cutaneous malignant melanoma and other skin cancers: a systematic review. Int J Cancer 2006;120:S1116S1122.