function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Societatis Regiae Scientiarum Indo-Neêrlandicae', 7],
    ['Biodiversity Data Journal', 9],
    ['European Journal of Taxonomy', 19],
    ['F. Schoell', 7],
    ['Ichthyological Bulletin of the J. L. B. Smith Institute of Ichthyology', 8],
    ['Laurentius Salvius', 13],
    ['Monographs of the Academy of Natural Sciences of Philadelphia', 17],
    ['Natuurkunde Tijdschrift voor Nederlandsche-Indië', 18],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 13],
    ['Proceedings of the Linnean Society of New South Wales', 15],
    ['Proceedings of the United States National Museum, 3', 31],
    ['Sanfilippo', 8],
    ['Senckenbergiana Biologica', 15],
    ['Smithsonian Contributions to Zoology', 42],
    ['Zootaxa', 155],
    ['Other (100)', 216]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=593)',
    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);