function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Benham and Leeve', 52],
    ['Biodiversity Data Journal', 114],
    ['Bulletin of the National Science Museum, Series A (Zoology)', 59],
    ['European Journal of Taxonomy', 172],
    ['Geodiversitas', 277],
    ['Journal of Natural History', 530],
    ['Laurentius Salvius', 60],
    ['Mémoires du Muséum national d\'Histoire naturelle', 164],
    ['Raffles Bulletin of Zoology', 897],
    ['Records of the Australian Museum', 70],
    ['ZooKeys', 317],
    ['Zoological Journal of the Linnean Society', 266],
    ['Zoological Systematics', 65],
    ['Zoosystema', 1062],
    ['Zootaxa', 9002],
    ['Other (160)', 886]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=13993)',
    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);