function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acarologia', 4278],
    ['Acta Biologica Universitatis Daugavpiliensis', 3540],
    ['Acta Entomologica Musei Nationalis Pragae', 10854],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 4479],
    ['Biodiversity Data Journal', 38509],
    ['European Journal of Taxonomy', 16251],
    ['Far Eastern Entomologist', 4850],
    ['Insecta Mundi', 15517],
    ['Journal of Natural History', 12351],
    ['Linzer biologische Beiträge', 29113],
    ['The Coleopterists Bulletin', 5580],
    ['ZooKeys', 44627],
    ['Zoological Journal of the Linnean Society', 4926],
    ['Zoosystema', 10086],
    ['Zootaxa', 300753],
    ['Other (2580)', 117669]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=623383)',
    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);