function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales de la Société Entomologique de France, Nouvelle Série', 2],
    ['Caucasian Entomological Bulletin', 10],
    ['Entomo Helvetica', 8],
    ['Far Eastern Entomologist', 6],
    ['Faunus (Gistel\'s)', 2],
    ['Journal of Natural History', 10],
    ['Laurentii Salvii', 2],
    ['Laurentius Salvius', 4],
    ['Linzer biologische Beiträge', 6],
    ['Raffles Bulletin of Zoology', 7],
    ['Schultz-Wundermann', 26],
    ['ZooKeys', 5],
    ['Zoological Journal of the Linnean Society', 12],
    ['Zoosystematica Rossica', 6],
    ['Zootaxa', 109],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=217)',
    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);