[1] Ctr Mixto UCM ISCIII Evoluc & Comportamiento Huma, Madrid, Spain
[2] Univ Complutense Madrid, Dept Paleontol, Fac Ciencias Geol, E-28040 Madrid, Spain
[3] Univ Alcala, Area Paleontol, Dept Geol Geog & Medio Ambiente, Madrid, Spain
[4] Ctr Nacl Invest Evoluc Humana Burgo, Burgos, Spain
[5] Univ Adelaide, Sch Earth & Environm Sci, Inst Environm, Adelaide, SA 5005, Australia
[6] Univ Adelaide, IPAS, Adelaide, SA 5005, Australia
[7] Univ Basque Country, Dept Mineral & Petrol, Fac Ciencia & Tecnol, E-48080 Bilbao, Spain
[8] Berkeley Geochronol Ctr, Berkeley, CA USA
[9] SUNY Binghamton, Dept Anthropol, Binghamton, NY USA
[10] Amer Museum Nat Hist, Div Anthropol, New York, NY 10024 USA
[11] Museum Natl Hist Nat, Dept Prehist, F-75231 Paris, France
[12] US Geol Survey, Menlo Pk, CA 94025 USA
[13] Univ Burgos, Lab Evoluc Humana, Dept Ciencias Hist & Geog, Burgos, Spain
[14] Univ Adelaide, IPAS, Sch Chem & Phys, Adelaide, SA 5005, Australia
[15] URV, Area Prehist, Dept Hist & Hist Art, Tarragona, Spain
[16] Inst Catal Paleoecol Humana & Evolucio Social, Tarragona, Spain
[17] Univ Zaragoza, Aragosaurus IUCA, E-50009 Zaragoza, Spain
[18] Univ Zaragoza, Fac Ciencias, E-50009 Zaragoza, Spain
[19] Div Biol Anthropol, PAVE Res Grp, Cambridge, England
[20] Natl Taiwan Univ, High Precis Mass Spectrometry & Environm Change L, Dept Geosci, Taipei, Taiwan
[21] Inst Vertebrate Paleontol & Paleoanthropol Beijin, Beijing, Peoples R China