function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annals of the Natal Museum', 1],
    ['Annotationes Zoologicae Japonenses', 1],
    ['Bulletin of the Misaki Marine Biological Institute Kyoto University', 2],
    ['Bulletin of the United States National Museum', 15],
    ['Copeia', 6],
    ['Cybium', 1],
    ['E. J. Brill', 3],
    ['European Journal of Taxonomy', 3],
    ['Ichthyological Bulletin of the J. L. B. Smith Institute of Ichthyology', 2],
    ['Japanese Journal of Ichthyology', 1],
    ['Journal Sigenkagaku Kenkyusyo', 2],
    ['Journal of Fish Biology', 1],
    ['Proceedings of the California Academy of Sciences, Series 4', 11],
    ['Proceedings of the United States National Museum, 3', 6],
    ['Voprosy Ikhtiologii', 2],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=64)',
    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);