function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 822],
    ['Bulletin of the American Museum of Natural History', 1932],
    ['Check List', 505],
    ['G. Levrault', 68],
    ['Laurentius Salvius', 631],
    ['Nouveau dictionnaire d\'histoire naturelle [ed. 2]', 73],
    ['Papéis Avulsos de Zoologia', 235],
    ['PhytoKeys', 61],
    ['Raffles Bulletin of Zoology', 57],
    ['Records of the Australian Museum', 83],
    ['Transactions of the Linnean Society of London', 60],
    ['Zoological Journal of the Linnean Society', 147],
    ['Zoosystema', 640],
    ['Zoosystematics and Evolution', 53],
    ['Zootaxa', 1274],
    ['Other (197)', 930]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=7571)',
    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);