function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acarologia', 4174],
    ['Acta Entomologica Musei Nationalis Pragae', 10764],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 4479],
    ['Biodiversity Data Journal', 35895],
    ['Bulletin of the American Museum of Natural History', 3513],
    ['European Journal of Taxonomy', 15290],
    ['Far Eastern Entomologist', 4830],
    ['Insecta Mundi', 15259],
    ['Journal of Natural History', 11699],
    ['Linzer biologische Beiträge', 29042],
    ['The Coleopterists Bulletin', 5567],
    ['ZooKeys', 43142],
    ['Zoological Journal of the Linnean Society', 4629],
    ['Zoosystema', 9661],
    ['Zootaxa', 289147],
    ['Other (2494)', 100754]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=587845)',
    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);