function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 2],
    ['Aqua, Journal of Ichthyology and Aquatic Biology', 5],
    ['Biodiversity Data Journal', 2],
    ['Copeia', 6],
    ['European Journal of Taxonomy', 2],
    ['Fieldiana Zoology, New Series', 2],
    ['Inst. Mar. Sci., Univ. Texas', 4],
    ['Journal of Natural History', 2],
    ['Monographs of the Academy of Natural Sciences of Philadelphia', 2],
    ['Pacific Science', 6],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 6],
    ['Proceedings of the United States National Museum, 3', 3],
    ['ZooKeys', 8],
    ['Zoologica', 3],
    ['Zootaxa', 38],
    ['Other (14)', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=108)',
    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);