function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 4],
    ['Bulletin of the Alabama Museum of Natural History', 9],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College, 3', 3],
    ['Bulletin of the United States Fish Commission', 4],
    ['Bulletin of the United States National Museum', 9],
    ['Copeia', 12],
    ['Laurentius Salvius', 30],
    ['Occasional Papers of the Museum of Zoology, University of Michigan', 5],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 13],
    ['Proceedings of the American Philosophical Society', 4],
    ['Proceedings of the Boston Society of Natural History', 4],
    ['Proceedings of the United States National Museum, 3', 20],
    ['The American Journal of Science and Arts, Series 2', 4],
    ['Tulane Studies in Zoology and Botany', 7],
    ['Zootaxa', 38],
    ['Other (37)', 57]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=223)',
    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);