function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 515],
    ['Biodiversity Data Journal', 2473],
    ['Catalogue of the Lepidoptera Phalaenae in the British Museum', 252],
    ['European Journal of Taxonomy', 311],
    ['Evolutionary Systematics', 277],
    ['Far Eastern Entomologist', 591],
    ['Insecta Mundi', 1159],
    ['Journal of Natural History', 673],
    ['Laurentius Salvius', 596],
    ['Linzer biologische Beiträge', 935],
    ['Nota Lepidopterologica', 299],
    ['ZooKeys', 2427],
    ['Zoological Journal of the Linnean Society', 388],
    ['Zoosystema', 2850],
    ['Zootaxa', 27947],
    ['Other (365)', 4783]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=46476)',
    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);