function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bulletin of the United States National Museum', 3],
    ['Carnegie Institution of Washington Publication', 2],
    ['Copeia', 4],
    ['Field Columbian Museum Zoological Series', 6],
    ['Miscellaneous Publications of the Museum of Zoology University of Michigan', 2],
    ['Naturhistoriska Riksmuseet', 7],
    ['New Zealand Journal of Zoology', 3],
    ['Pacific Science', 2],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 4],
    ['Proceedings of the Royal Society of Queensland', 2],
    ['Publications of the Field Museum of Natural History, Zoölogical', 3],
    ['Records of the Australian Museum', 4],
    ['Records of the Western Australian Museum', 4],
    ['Zoological Journal of the Linnean Society', 5],
    ['Zootaxa', 20],
    ['Other (27)', 30]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=101)',
    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);