function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 1675],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 2700],
    ['Biodiversity Data Journal', 4587],
    ['European Journal of Taxonomy', 2882],
    ['Insecta Mundi', 2406],
    ['Journal of Natural History', 2050],
    ['Linzer biologische Beiträge', 8508],
    ['Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1', 1685],
    ['PhytoKeys', 1178],
    ['Phytotaxa', 1288],
    ['The Coleopterists Bulletin', 1226],
    ['ZooKeys', 6781],
    ['Zoological Journal of the Linnean Society', 1255],
    ['Zoosystema', 1204],
    ['Zootaxa', 55613],
    ['Other (1733)', 32430]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=127468)',
    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);