function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Biologica Universitatis Daugavpiliensis', 88],
    ['Acta Entomologica Musei Nationalis Pragae', 916],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 2254],
    ['Bulletin of the American Museum of Natural History', 158],
    ['Deutsche Entomologische Zeitschrift', 141],
    ['European Journal of Taxonomy', 145],
    ['Insecta Mundi', 1430],
    ['Japanese Journal of Systematic Entomology', 143],
    ['Journal of Natural History', 99],
    ['Linzer biologische Beiträge', 5576],
    ['Revue suisse de Zoologie', 416],
    ['The Coleopterists Bulletin', 640],
    ['ZooKeys', 2014],
    ['Zoosystema', 89],
    ['Zootaxa', 7774],
    ['Other (227)', 2127]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=24010)',
    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);