function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Biologica Sibirica', 30],
    ['Acta Entomologica Musei Nationalis Pragae', 17],
    ['Biodiversidad de Artrópodos Argentinos, vol. 3', 1],
    ['Biodiversity Data Journal', 6],
    ['Check List', 3],
    ['Entomologist\'s monthly magazine', 2],
    ['Florida Entomologist', 2],
    ['Iheringia, Série Zoologia', 2],
    ['Insecta Mundi', 5],
    ['Linzer biologische Beiträge', 114],
    ['The Great Lakes Entomologist', 2],
    ['Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien', 2],
    ['Zoomorphology', 21],
    ['Zoosystema', 4],
    ['Zootaxa', 100],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=318)',
    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);