Acknowledgements
The authors wish to thank all those who volunteered to participate in this study. The authors would also like to thank Matthew Spoor for conducting the exercise tests, Alireza Mani for conducting the HPLC testing and Ratdesh Perindanathan for his input on the written text.The authors did not receive any funding for this research.T. G. contributed to the statistical and data analysis, writing and drafting of manuscript and formation of figures. N. B. and D. I. collected data and helped with the drafting of the manuscript. F. R. supervised the study, contributed to the conception, design, drafting of manuscript and data analysis. All authors approved the final version of the manuscript.The authors declare that there is no conflict of interest.