function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bulletin of the United States National Museum', 3],
    ['Copeia', 5],
    ['Denkschriften der Schweizerischen Naturforschenden Gesellschaft', 5],
    ['Flora Europaea, Vol 5: Alismataceae to Orchidaceae', 3],
    ['Ichthyological Bulletin of the J. L. B. Smith Institute of Ichthyology', 4],
    ['Issled. Dal\'nevost. Morei SSSR', 4],
    ['Izv. Tikh. Nauch. Inst. Rybn. Khoz.', 3],
    ['Japanese Journal of Ichthyology', 3],
    ['PhytoKeys', 8],
    ['Phytotaxa', 32],
    ['Proceedings of the United States National Museum, 3', 10],
    ['Records of the Australian Museum', 16],
    ['Theses Zoologicae', 4],
    ['Voprosy Ikhtiologii', 7],
    ['Zootaxa', 20],
    ['Other (39)', 66]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=193)',
    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);