code: function _renderAuthors ($$, authors, entityDb) {
    let fragments = []
    authors.forEach((refContribId, i) => {
      fragments = fragments.concat(
        entityRenderer($$, refContribId, entityDb, { short: true })
      )
      if (i < authors.length - 1) {
        fragments.push(', ')
      }
    })
    return fragments
  }
docs: /*
  Helpers