function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 128],
    ['Biodiversity Data Journal', 79],
    ['Biodiversity journal', 9],
    ['Bulletin of the National Science Museum, Series A (Zoology)', 13],
    ['Caucasian Entomological Bulletin', 18],
    ['G. Reimer', 9],
    ['Insecta Mundi', 147],
    ['Journal of Natural History', 17],
    ['Laurentius Salvius', 20],
    ['Méquignon-Marvis', 14],
    ['Papéis Avulsos de Zoologia', 134],
    ['The Coleopterists Bulletin', 305],
    ['Transactions of the Linnean Society of London', 9],
    ['ZooKeys', 122],
    ['Zootaxa', 1799],
    ['Other (35)', 83]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=2906)',
    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);