[1] Univ Autonoma Baja California, Fac Med & Psicol, Tijuana, Mexico
[2] Yale Univ, Dept Anthropol, New Haven, CT 06520 USA
[3] CINVESTAV, Unidad Merida, Dept Human Ecol, Merida, Mexico
[4] Univ Veracruzana, Fac Psicol, Xalapa, Veracruz, Mexico
[5] Univ Veracruzana Intercultural, Sede Las Selvas, Mecayapan, Mexico
[6] Univ Veracruzana, Inst Invest Psicol, Xalapa, Veracruz, Mexico
[7] Univ Nacl Formosa, CONICET, Inst Invest Lenguaje Soc & Terr, Formosa, Argentina
[8] Michigan State Univ, Dept Anthropol, E Lansing, MI 48824 USA
[9] Consejo Nacl Invest Cient & Tecn, CENPAT, CCT, Inst Patagon Ciencias Sociales & Humanas, Puerto Madryn, Chubut, Argentina
[10] SUNY Coll Oneonta, Dept Anthropol, Oneonta, NY 13820 USA
[11] INAH, ENAH, Escuela Nacl Antropol & Hist, Mexico City, DF, Mexico
[12] Ohio State Univ, Dept Anthropol, Columbus, OH 43210 USA