function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annals and Magazine of Natural History', 8],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 6],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 5],
    ['Biodiversity Data Journal', 164],
    ['Entomo Helvetica', 8],
    ['Far Eastern Entomologist', 6],
    ['Insecta Mundi', 25],
    ['Insects of Guam II', 13],
    ['Linzer biologische Beiträge', 7],
    ['Nota Lepidopterologica', 12],
    ['Proceedings of the Linnean Society of New South Wales', 16],
    ['Revue suisse de Zoologie', 78],
    ['ZooKeys', 85],
    ['Zoological Systematics', 31],
    ['Zootaxa', 1294],
    ['Other (35)', 53]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1811)',
    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);