function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A. Constable', 27],
    ['Annali del Museo Civico di Storia Naturale di Genova', 2],
    ['Beverley Tucker', 6],
    ['Bulletin de la Société Zoologique de France', 3],
    ['F. S. Hübschmann, Monachii [= Munich] & Fleischer, Lipsiae [= Leipzig]', 5],
    ['Monatsberichte der Akademie der Wissenschaft zu Berlin', 3],
    ['Mémoires du Muséum National d’Histoire Naturelle, Série A, Zoologie', 5],
    ['Natuurkunde Tijdschrift voor Nederlandsche-Indië', 4],
    ['Neotropical Ichthyology', 19],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 11],
    ['Proceedings of the American Philosophical Society', 6],
    ['Proceedings of the Zoological Society of London, B', 8],
    ['Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaften Classe', 4],
    ['University of Kentucky', 3],
    ['Zootaxa', 12],
    ['Other (36)', 46]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=164)',
    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);