function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['African Invertebrates', 8],
    ['American Museum Novitates', 333],
    ['Biodiversity Data Journal', 28],
    ['Bulletin of the American Museum of Natural History', 599],
    ['European Journal of Taxonomy', 5],
    ['Evolutionary Systematics', 36],
    ['Journal of Natural History', 6],
    ['Memoirs of Museum Victoria', 3],
    ['Phelsuma', 4],
    ['Raffles Bulletin of Zoology', 9],
    ['Records of the Western Australian Museum', 6],
    ['ZooKeys', 112],
    ['Zoological Systematics', 7],
    ['Zoosystematics and Evolution', 14],
    ['Zootaxa', 326],
    ['Other (12)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1510)',
    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);