1. Ackermann M, Pletcher S (2008) In: Stearns SC, Koella J (eds) Evolutionary thinking as a foundation for studying aging and aging-related disease. Oxford University Press, Oxford
2. American Cancer Society (2013) Cancer facts and figures 2013. American Cancer Society, Atlanta
3. Appleby A (1980) Epidemics and famine in the little ice age. J Interdiscip Hist 10:643–663
4. Austad SN (1994) Menopause: an evolutionary perspective. Exp Gerontol 29:255–263
5. Austad SN (2011) Sex differences in longevity and aging. In: Masoro EJ, Austad SN (eds) Handbook of the biology of aging. Academic, New York