function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 106],
    ['Biodiversity Data Journal', 296],
    ['C. G. Proft, Fil. et Soc.', 19],
    ['Carolum Reichard', 23],
    ['E. W. Janson', 21],
    ['Far Eastern Entomologist', 312],
    ['Journal of Hymenoptera Research', 83],
    ['Journal of Natural History', 74],
    ['Journal of the Proceedings of the Linnean Society of London, Zoology', 19],
    ['Linzer biologische Beiträge', 1241],
    ['Papéis Avulsos de Zoologia', 52],
    ['Proceedings of the California Academy of Sciences', 15],
    ['Smithsonian contributions to zoology', 16],
    ['ZooKeys', 34],
    ['Zootaxa', 1239],
    ['Other (38)', 133]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=3683)',
    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);