function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Biologica Universitatis Daugavpiliensis', 98],
    ['Acta Entomologica Musei Nationalis Pragae', 138],
    ['Amurian Zoological Journal', 109],
    ['Biodiversity Data Journal', 1027],
    ['Contributions to Natural History', 80],
    ['Deutsche Entomologische Zeitschrift', 195],
    ['Entomo Helvetica', 155],
    ['European Journal of Taxonomy', 136],
    ['Far Eastern Entomologist', 102],
    ['Fauna of New Zealand', 63],
    ['Insecta Mundi', 972],
    ['Linzer biologische Beiträge', 618],
    ['The Coleopterists Bulletin', 459],
    ['ZooKeys', 4750],
    ['Zootaxa', 4580],
    ['Other (173)', 1344]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=14826)',
    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);