function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 28],
    ['Australasian Journal of Herpetology', 8],
    ['Bulletin of the American Museum of Natural History', 20],
    ['Check List', 12],
    ['Comptes rendus des séances de l’Académie des Sciences', 5],
    ['European Journal of Taxonomy', 13],
    ['Fossil Record', 5],
    ['Geodiversitas', 34],
    ['Geological Survey of Canada Contributions to Canadian Palaeontology', 7],
    ['Laurentius Salvius', 12],
    ['Megataxa', 373],
    ['Panckoucke', 5],
    ['ZooKeys', 7],
    ['Zoological Journal of the Linnean Society', 18],
    ['Zootaxa', 182],
    ['Other (48)', 75]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=804)',
    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);