function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 4],
    ['Baltic journal of coleopterology', 2],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 129],
    ['Bulletin de l\'Institut Royal des Sciences Naturelles de Belgique, Entomologie', 18],
    ['Bulletin of the National Science Museum, Series A (Zoology)', 4],
    ['C. Reichard', 1],
    ['Entomologicheskoe Obozrenie', 9],
    ['Far Eastern Entomologist', 3],
    ['Japanese Journal of Systematic Entomology', 9],
    ['Linzer biologische Beiträge', 138],
    ['Revue suisse de Zoologie', 19],
    ['ZooKeys', 91],
    ['Zoologicheskii Zhurnal', 2],
    ['Zoologicheskiy zhurnal', 4],
    ['Zootaxa', 127],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=562)',
    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);