function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Academy of Natural Sciences', 63],
    ['African Invertebrates', 182],
    ['Archiv für Molluskenkunde', 530],
    ['Biodiversity Data Journal', 142],
    ['European Journal of Taxonomy', 275],
    ['Journal of Natural History', 153],
    ['Laurentius Salvius', 59],
    ['Linzer biologische Beiträge', 140],
    ['Raffles Bulletin of Zoology', 169],
    ['Records of the Australian Museum', 90],
    ['Revue suisse de Zoologie', 152],
    ['ZooKeys', 2188],
    ['Zoological Journal of the Linnean Society', 128],
    ['Zoosystema', 63],
    ['Zootaxa', 860],
    ['Other (95)', 675]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=5869)',
    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);