function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arthropod Systematics & amp; Phylogeny', 18],
    ['Biodiversity Data Journal', 40],
    ['European Journal of Taxonomy', 18],
    ['Journal of Hymenoptera Research', 15],
    ['Journal of Natural History', 44],
    ['Linzer biologische Beiträge', 52],
    ['Mémoires du Muséum national d\'Histoire naturelle', 88],
    ['New Zealand entomologist', 13],
    ['Occasional Papers of the Bernice P. Bishop Museum', 51],
    ['Papéis Avulsos de Zoologia', 73],
    ['Proceedings of the Hawaiian Entomological Society', 6],
    ['ZooKeys', 9],
    ['Zoological Journal of the Linnean Society', 10],
    ['Zoological Systematics', 8],
    ['Zootaxa', 1137],
    ['Other (20)', 44]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1626)',
    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);