function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beaver, Ethan P. & Moore, Michael D.', 4],
    ['Beaver, Ethan P. & Moore, Michael D. & Grehan, John R.', 4],
    ['Das, Apurva & Singh, Navneet', 30],
    ['Dugdale, John S.', 10],
    ['Grehan, John R. & Mielke, Carlos G. C.', 6],
    ['Grehan, John R. & Mielke, Carlos G. C. & Minet, Joël', 10],
    ['Grehan, John R. & Mielke, Os. G. C.', 10],
    ['Li, Weichun & Wei, Hongyi', 8],
    ['Mielke, Carlos G. C. & Grehan, John R. & Koike, Ricardo M.', 8],
    ['Mielke, Carlos G. C. & Grehan, John R. & Monzón-Sierra, José', 6],
    ['Moore, Michael D. & Beaver, Ethan P.', 6],
    ['Moore, Michael D. & Beaver, Ethan P. & Bradford, Tessa', 5],
    ['Nielsen, Ebbe S. & Robinson, Gaden S. & Wagner, David L.', 69],
    ['Simonsen, Thomas J.', 11],
    ['Zahiri, Reza & Tarmann, Gerhard & Efetov, Konstantin A.', 83],
    ['Other (20)', 34]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=304)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);