function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 26],
    ['Annales Zoologici', 81],
    ['Biodiversity Data Journal', 198],
    ['European Journal of Taxonomy', 66],
    ['Fragmenta Faunistica', 17],
    ['Insecta Mundi', 854],
    ['Journal N Y Ent Soc', 20],
    ['Journal of Natural History', 21],
    ['Laurentius Salvius', 37],
    ['Linzer biologische Beiträge', 20],
    ['Technical Bulletin. United States Department of Agriculture', 30],
    ['The Coleopterists Bulletin', 93],
    ['ZooKeys', 248],
    ['Zoosystema', 41],
    ['Zootaxa', 1268],
    ['Other (60)', 233]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=3253)',
    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);