function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zootaxonomica Sinica', 98],
    ['Biodiversity Data Journal', 146],
    ['Indian Journal of Helminthology', 141],
    ['Japanese Journal of Zoology', 191],
    ['Journal of Parasitology', 327],
    ['Keigaku Publishing Company', 206],
    ['Papers from the Tortugas Laboratory of the Carnegie Institute of Washington', 80],
    ['Parasitology', 84],
    ['Proceedings of the Helminthological Society of Washington', 160],
    ['Rivista di Parassitologia', 179],
    ['Satyû Yamaguti', 86],
    ['Systematic Parasitology', 223],
    ['Transactions of the American Microscopical Society', 97],
    ['ZooKeys', 82],
    ['Zootaxa', 972],
    ['Other (612)', 3774]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=6846)',
    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);