function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales de la Société Impériale d\'Agriculture, Histoire Naturelle de Lyon', 1],
    ['Biodiversity Data Journal', 9],
    ['Memoirs of the Queensland Museum', 1],
    ['Mergus Publ. Hans A. Baensch', 1],
    ['Natuurkunde Tijdschrift voor Nederlandsche-Indië', 3],
    ['Proceedings of the Department of Natural History, Tokyo Imperial Museum', 1],
    ['Proceedings of the Linnean Society of New South Wales', 2],
    ['Proceedings of the United States National Museum, 3', 1],
    ['Proceedings of the Zoological Acclimatisation Society of Victoria', 1],
    ['Proceedings of the Zoological Society of London, B', 1],
    ['Records of the Australian Museum', 2],
    ['Senckenbergiana Biologica', 1],
    ['T. F. H. Publications, Inc.', 4],
    ['Transactions of the Linnean Society of London, Second Series. Zoology', 1],
    ['Zootaxa', 8],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=39)',
    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);