Authors’ contributions
L.V.G-H., S.L.P. conceived the ideas and designed methodology; L.V.G-H.,
L.A.R-F established the activities in the field, developed the
methodology and took the craniodental measurements in the different
collections and museums evaluated; A.S-H., L.V.G-H., L.A.R-F and S.L.P.
analyzed the data; B.L, G.G and G.R-F. led the writing of the
manuscript. All authors contributed critically to the drafts and gave
final approval for publication.