function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 46],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 100],
    ['Belgian Journal of Entomology', 8],
    ['Bulletin de la Société Royale Belge d\'Entomologie', 3],
    ['Bulletin of the University of Nebraska State Museum', 19],
    ['Check List', 4],
    ['European Journal of Taxonomy', 5],
    ['Far Eastern Entomologist', 5],
    ['Insecta Mundi', 311],
    ['Journal of Natural History', 15],
    ['Papéis Avulsos de Zoologia', 4],
    ['The Coleopterists Bulletin', 86],
    ['ZooKeys', 26],
    ['Zoosystema', 9],
    ['Zootaxa', 612],
    ['Other (19)', 29]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1282)',
    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);