Contribution to Authorship
LCC, CW, and JGT conceived the original trial. LCC, CW, PD, AS, EJ, JD, JGT and JC were involved in securing funding for the original trial. LCC and AS coordinated the original trial and data collection. PS and JF did the secondary analyses, with input from LCC. JF wrote the article, with input from LCC. All authors reviewed, contributed to, and approved the final version of the manuscript.