function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 26],
    ['Arthropod Systematics & amp; Phylogeny', 13],
    ['Biodiversity Data Journal', 48],
    ['Caucasian Entomological Bulletin', 19],
    ['Deutsche Entomologische Zeitschrift', 54],
    ['European Journal of Taxonomy', 20],
    ['Insecta Mundi', 204],
    ['Journal and Proceedings of the Linnean Society of London, Zoology', 35],
    ['Journal of Natural History', 16],
    ['Laurentius Salvius', 17],
    ['Palaeoentomology', 15],
    ['ZooKeys', 169],
    ['Zoological Systematics', 85],
    ['Zoosystema', 30],
    ['Zootaxa', 1439],
    ['Other (55)', 193]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=2383)',
    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);