function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 1],
    ['Annales de la Société entomologique de France', 1],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 4],
    ['Bulletin de la Société Entomologique de France', 1],
    ['Bulletin de la Société Impériale des Naturalistes de Moscou', 7],
    ['Bulletin of the National Museum of Nature and Science, Series A (Zoology)', 26],
    ['Bulletin of the National Science Museum, Series A (Zoology)', 7],
    ['Folia Zoologica et Hydrobiologica', 1],
    ['Japanese Journal of Systematic Entomology', 3],
    ['Koleopterologische Rundschau', 8],
    ['Schriften der Naturforschenden Gesellschaft zu Leipzig', 2],
    ['The Coleopterists Bulletin', 2],
    ['Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien', 2],
    ['ZooKeys', 2],
    ['Zootaxa', 157],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=227)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);