1. Department of Anthropology, Yale University, New Haven, CT, USA ()
2. Department of Anthropology, Northeastern Illinois University, Chicago, IL, USA ()
3. Gestión del Patrimonio Arqueológico, La Paz, Bolivia, YPF-ANDINA ()
4. Department of Anthropology, University of California, San Diego, CA, USA ()
5. Archaeometry Laboratory, University of Missouri Research Reactor, University of Missouri, Columbia, MO, USA ()