function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['African Invertebrates', 35],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 270],
    ['Biodiversity Data Journal', 6239],
    ['Bulletin of the Kanagawa Prefectural Museum (Natural Science)', 74],
    ['Deutsche Entomologische Zeitschrift', 66],
    ['European Journal of Taxonomy', 481],
    ['Far Eastern Entomologist', 39],
    ['Journal of Hymenoptera Research', 209],
    ['Journal of Natural History', 159],
    ['Linzer biologische Beiträge', 4841],
    ['Vestnik Zoologii', 73],
    ['ZooKeys', 441],
    ['Zoodiversity', 63],
    ['Zoological Journal of the Linnean Society', 79],
    ['Zootaxa', 3673],
    ['Other (73)', 353]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=17095)',
    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);