function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Copeia', 20],
    ['European Journal of Taxonomy', 9],
    ['F. Schoell', 7],
    ['Japanese Journal of Ichthyology', 4],
    ['Journal of Fish Biology', 6],
    ['Journal of Natural History', 3],
    ['Proceedings of the California Zoological Club', 6],
    ['Proceedings of the Linnean Society of New South Wales', 4],
    ['Proceedings of the United States National Museum, 3', 7],
    ['Records of the Australian Museum', 7],
    ['Records of the Western Australian Museum', 4],
    ['Smithsonian Contributions to Zoology', 6],
    ['Stanford Ichthyological Bulletin', 16],
    ['ZooKeys', 7],
    ['Zootaxa', 60],
    ['Other (51)', 66]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=232)',
    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);