function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['African Invertebrates', 46],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 165],
    ['Biodiversity Data Journal', 100],
    ['Contributions to Entomology', 38],
    ['European Journal of Taxonomy', 118],
    ['Far Eastern Entomologist', 41],
    ['Fauna of New Zealand', 12],
    ['Journal of Hymenoptera Research', 47],
    ['Journal of Melittology', 13],
    ['Linzer biologische Beiträge', 94],
    ['Papéis Avulsos de Zoologia', 10],
    ['Records of the Australian Museum', 79],
    ['ZooKeys', 65],
    ['Zoological Journal of the Linnean Society', 8],
    ['Zootaxa', 1127],
    ['Other (12)', 29]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1992)',
    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);