function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta zoologica cracoviensia', 73],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 36],
    ['Biodiversity Data Journal', 21],
    ['Entomo Helvetica', 14],
    ['Far Eastern Entomologist', 9],
    ['Insecta Mundi', 53],
    ['Journal of Natural History', 56],
    ['Linzer biologische Beiträge', 11],
    ['New Zealand journal of science', 11],
    ['Proceedings of the Entomological Society of Washington', 14],
    ['Proceedings of the Hawaiian Entomological Society', 28],
    ['Transactions and proceedings of the New Zealand Institute', 13],
    ['University of California Publications in Entomology', 17],
    ['ZooKeys', 69],
    ['Zootaxa', 1959],
    ['Other (25)', 49]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=2433)',
    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);