message: add more authors
diff: @@ -9,6 +9,10 @@ authors:
  affiliation: "1, 2" # (Multiple affiliations must be quoted)
  - name: Emma B. Hodcroft
  affiliation: "2, 3"
  + - name: Cornelius Roemer
  + affiliation: "1"
  + - name: John Huddleston
  + affiliation: "4"
  - name: James Hadfield
  affiliation: "4"
  - name: Trevor Bedford
  