function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 1339],
    ['African Invertebrates', 1345],
    ['Biodiversity Data Journal', 2904],
    ['Entomo Helvetica', 457],
    ['European Journal of Taxonomy', 1282],
    ['Far Eastern Entomologist', 779],
    ['Insecta Mundi', 839],
    ['Journal of Natural History', 1446],
    ['Linzer biologische Beiträge', 1059],
    ['Records of the Australian Museum', 464],
    ['ZooKeys', 3621],
    ['Zoological Journal of the Linnean Society', 802],
    ['Zoological Systematics', 355],
    ['Zoosystema', 368],
    ['Zootaxa', 36949],
    ['Other (500)', 8934]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=62943)',
    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);