function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Parasitologica', 15],
    ['Acta Parasitologica Polonica', 9],
    ['Allan Hancock Pacific Expeditions', 8],
    ['Bulletin of the National Science Museum, Series A, Zoology', 8],
    ['Japanese Journal of Zoology', 9],
    ['Journal of Natural History', 13],
    ['Journal of Parasitology', 30],
    ['Journal of helminthology', 9],
    ['Keigaku Publishing Company', 8],
    ['Pakistan Journal of Zoology', 11],
    ['Parasitology', 12],
    ['Satyû Yamaguti', 11],
    ['Systematic Parasitology', 55],
    ['Tulane Studies in Zoology', 12],
    ['Zootaxa', 18],
    ['Other (106)', 234]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=462)',
    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);