function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 744],
    ['Bishop Museum Press and E. J. Brill', 2],
    ['Bulletin of Entomological Research', 25],
    ['Contributions to Zoology', 13],
    ['European Mosqito Bulletin', 15],
    ['Insecta Mundi', 5],
    ['Insects of Guam I', 5],
    ['Journal of Natural History', 15],
    ['Laurentius Salvius', 7],
    ['Parasites & Vectors', 4],
    ['Proceedings of the Entomological Society of Washington', 4],
    ['Zoological Journal of the Linnean Society', 50],
    ['Zoological Systematics', 3],
    ['Zoosystematica Rossica', 47],
    ['Zootaxa', 681],
    ['Other (23)', 27]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1647)',
    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);