function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 589],
    ['Check List', 491],
    ['Copeia', 622],
    ['European Journal of Taxonomy', 1655],
    ['Ichthyological Exploration of Freshwaters', 338],
    ['Journal of Natural History', 500],
    ['Laurentius Salvius', 440],
    ['Natuurkunde Tijdschrift voor Nederlandsche-Indië', 337],
    ['Neotropical Ichthyology', 1139],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 904],
    ['Proceedings of the United States National Museum, 3', 879],
    ['Proceedings of the Zoological Society of London, B', 455],
    ['Raffles Bulletin of Zoology', 579],
    ['Zoological Journal of the Linnean Society', 411],
    ['Zootaxa', 13801],
    ['Other (1281)', 17506]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=40646)',
    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);