function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 45],
    ['African Invertebrates', 6],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 50],
    ['Biodiversity Data Journal', 13],
    ['European Journal of Taxonomy', 138],
    ['Geodiversitas', 8],
    ['Insecta Mundi', 6],
    ['Journal of the New York Entomological Society', 9],
    ['Paleontological Journal', 22],
    ['Papéis Avulsos de Zoologia', 19],
    ['Vestnik Zoologii', 18],
    ['ZooKeys', 19],
    ['Zoological Journal of the Linnean Society', 9],
    ['Zoological Systematics', 12],
    ['Zootaxa', 754],
    ['Other (29)', 60]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1188)',
    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);