This article was originally published with incorrect affiliations for two authors.
The affiliation of Baptiste Pradier was originally given as UMR 7055 Préhistoire et Technologie, Université de Paris Nanterre La Défense, France. The correct affiliation is UMR 8068 TEMPS MSH Mondes, 21 allée de l’Université, 92023 Nanterre cedex, France.
The affiliation of Frederique Valentin was originally given as UMR 7055 Préhistoire et Technologie, Université de Paris Nanterre La Défense, France. The correct affiliation is UMR 8068 TEMPS MSH Mondes, 21 allée de l’Université, 92023 Nanterre cedex, France.
The errors have been corrected and the online HTML and PDF versions updated.