function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['African Invertebrates', 90],
    ['Biodiversity Data Journal', 199],
    ['European Journal of Taxonomy', 197],
    ['Geodiversitas', 183],
    ['Journal of Natural History', 325],
    ['Laurentius Salvius', 144],
    ['Memoirs of the Queensland Museu Nature', 128],
    ['Raffles Bulletin of Zoology', 88],
    ['Records of the Australian Museum', 250],
    ['Revue suisse de Zoologie', 167],
    ['Zitteliana', 139],
    ['ZooKeys', 711],
    ['Zoological Journal of the Linnean Society', 148],
    ['Zoosystema', 86],
    ['Zootaxa', 4441],
    ['Other (153)', 775]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=8071)',
    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);