function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bulletin of Marine Science', 2],
    ['Bulletin of the Natural History Museum, Zoology Series', 3],
    ['Bulletin of the United States National Museum', 3],
    ['Canadian Journal of Zoology', 2],
    ['Copeia', 5],
    ['Cybium', 2],
    ['Ichthyological Bulletin of the J. L. B. Smith Institute of Ichthyology', 3],
    ['Journal of Zoology, London', 5],
    ['Natuurkunde Tijdschrift voor Nederlandsche-Indië', 4],
    ['Newspaper Enterprise, Ltd.', 2],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 2],
    ['Revue française d\'Aquariologie Herpétologie', 9],
    ['Revue suisse de zoologie', 5],
    ['Smithiana Monographs', 3],
    ['Zootaxa', 52],
    ['Other (32)', 36]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=138)',
    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);