function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Biologica Universitatis Daugavpiliensis', 927],
    ['Acta Entomologica Musei Nationalis Pragae', 5827],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 2544],
    ['Biodiversity Data Journal', 2665],
    ['Caucasian Entomological Bulletin', 1012],
    ['European Journal of Taxonomy', 2411],
    ['Far Eastern Entomologist', 912],
    ['Insecta Mundi', 10250],
    ['Journal of Natural History', 2229],
    ['Laurentius Salvius', 620],
    ['Linzer biologische Beiträge', 8067],
    ['Papéis Avulsos de Zoologia', 726],
    ['The Coleopterists Bulletin', 5568],
    ['ZooKeys', 16719],
    ['Zootaxa', 56915],
    ['Other (771)', 16056]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=133448)',
    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);