function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 124],
    ['Annali del Museo Civico di Storia Naturale di Genova', 5],
    ['Bulletin of the British Museum (Natural History). Entomology', 23],
    ['Coleoptera', 13],
    ['European Journal of Taxonomy', 143],
    ['Insecta Mundi', 257],
    ['Insecta mundi', 6],
    ['Journal of Natural History', 79],
    ['Linzer biologische Beiträge', 10],
    ['New Zealand Journal of Science', 6],
    ['Revue suisse de Zoologie', 21],
    ['The Coleopterists Bulletin', 47],
    ['ZooKeys', 218],
    ['Zoosystema', 45],
    ['Zootaxa', 1147],
    ['Other (32)', 69]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=2213)',
    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);