function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 370],
    ['African Invertebrates', 18],
    ['Biodiversity Data Journal', 243],
    ['European Journal of Taxonomy', 9],
    ['Journal of Natural History', 12],
    ['Linzer biologische Beiträge', 5],
    ['Pacific insects monograph', 5],
    ['Palaeoentomology', 10],
    ['Papéis Avulsos de Zoologia', 37],
    ['Parasites & Vectors', 10],
    ['Proceedings of the Hawaiian Entomological Society', 5],
    ['ZooKeys', 137],
    ['Zoological Journal of the Linnean Society', 14],
    ['Zoological Systematics', 31],
    ['Zootaxa', 1125],
    ['Other (21)', 37]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=2068)',
    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);