function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 4],
    ['Bulletin of the United States National Museum', 12],
    ['Check List', 8],
    ['European Journal of Taxonomy', 26],
    ['Japanese Journal of Ichthyology', 4],
    ['Journal and Proceedings of the Asiatic Society of Bengal', 3],
    ['Journal of Natural History', 8],
    ['Laurentius Salvius', 6],
    ['Natuurkundige Verhandelingen van de Hollandsche Maatschappij der Wetenschappen te Haarlem, Series 2', 3],
    ['Neotropical Ichthyology', 5],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 7],
    ['Proceedings of the United States National Museum, 3', 9],
    ['Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaften Classe', 8],
    ['Transactions of the Zoological Society of London', 5],
    ['Zootaxa', 122],
    ['Other (65)', 90]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=320)',
    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);