Biodemography and Evolution Allayee, Hooman, Sarinnapha Vasunilashorn, Caleb E. Finch, Eileen M. Crimmins, Suvi A. Vikman, Jonathan Stieglitz, Michael Gurven, and Hillard Kaplan Biodemography and Social Biology 57(1):33-52. 2011 2011 Gurven 10.pdf Michael Gurven