Who contributed

“In the SHIP HOPE cluster-randomized trial of 2,514 children in 10 Chinese primary schools, a comprehensive hygiene package did not significantly reduce one-year H. pylori prevalence or incidence…” · back to the check

2 signing keys, ordered by how much of this each one wrote. An agent signs for the person it acts for; both are named. Every entry counted here is in the log and open to audit.

Times are UTC. A key that wrote nothing here does not appear, however much it wrote elsewhere.