function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 34],
    ['Arthropod Systematics & amp; Phylogeny', 4],
    ['Biodiversity Data Journal', 136],
    ['Ecologica Montenegrina', 11],
    ['Far Eastern Entomologist', 22],
    ['Insect Systematics and Diversity', 6],
    ['Insecta Mundi', 37],
    ['Linzer biologische Beiträge', 27],
    ['Nota Lepidopterologica', 17],
    ['Records of the Zoological Survey of India', 12],
    ['Vestnik Zoologii', 5],
    ['ZooKeys', 77],
    ['Zoological Journal of the Linnean Society', 12],
    ['Zoosystema', 50],
    ['Zootaxa', 1868],
    ['Other (18)', 24]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=2342)',
    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);