[1] Univ Coimbra, Dept Chem, Mol Phys Chem R&D Unit, P-3004535 Coimbra, Portugal
[2] Univ Coimbra, Dept Life Sci, P-3004535 Coimbra, Portugal
[3] Univ Coimbra, Ctr Funct Ecol, Lab Forens Anthropol, P-3004535 Coimbra, Portugal
[4] Univ Coimbra, Res Ctr Anthropol & Hlth CIAS, P-3004535 Coimbra, Portugal
[5] Directorate Gen Cultural Heritage LARC CIBIO InBI, Archaeosci Lab, P-1300418 Lisbon, Portugal
[6] STFC Rutherford Appleton Lab, ISIS Facil, Didcot OX11 0QX, Oxon, England