function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 33],
    ['Annales de la Société entomologique de Belgique', 8],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 9],
    ['Biodiversity Data Journal', 10],
    ['Bulletin of the American Museum of Natural History', 106],
    ['Entomologische Mitteilungen', 14],
    ['Faunitaxys', 14],
    ['Insecta Mundi', 185],
    ['L\'Échange, Revue Linnéenne', 15],
    ['Linzer biologische Beiträge', 384],
    ['Philippine Journal of Science', 58],
    ['Proceedings of the Zoological Society of London', 25],
    ['The Coleopterists Bulletin', 129],
    ['ZooKeys', 260],
    ['Zootaxa', 817],
    ['Other (20)', 62]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=2129)',
    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);