function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bulletin of the Southern California Academy of Sciences', 1],
    ['Bulletin of the United States National Museum', 1],
    ['Field Columbian Museum Zoological Series', 1],
    ['Lunds Universitets Årsskrifft, Ny Följd Avdelningen 2', 1],
    ['Monographs of the Academy of Natural Sciences of Philadelphia', 1],
    ['Occasional Papers of the Museum of Zoology, University of Michigan', 2],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 1],
    ['Proceedings of the Boston Society of Natural History', 1],
    ['Proceedings of the California Academy of Sciences, Series 2', 1],
    ['Proceedings of the California Zoological Club', 3],
    ['Proceedings of the Linnean Society of New South Wales', 1],
    ['Proceedings of the United States National Museum, 3', 7],
    ['Publications of the Field Museum of Natural History, Zoölogical', 2],
    ['Stanford Ichthyological Bulletin', 2],
    ['Zootaxa', 14],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=41)',
    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);