Contribution statement
CLM contributed to study design and formulated the data analysis plan, analysed and interpreted the data, made figures and tables, wrote and revised the manuscript. ZAS applied for funding, arranged the laboratory analyses and contributed to manuscript revisions. SLN collected dietary data, read and revised the final manuscript. SF and DSF contributed to data interpretation, manuscript writing and revisions. AK analysed and interpreted the data and reviewed and revised the manuscript. HRM contributed to study design, data interpretation and reviewed and revised the manuscript. All authors gave approval of the final version of the manuscript prior to publication. CLM is the guarantor of this work and, as such, has had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.