function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annals of the Carnegie Museum', 3],
    ['Aquarien und Terrarien Zeitschrift', 1],
    ['Beaufortia', 1],
    ['Blätter für Aquarien- und Terrarien-Kunde', 1],
    ['Bollettino dei Musei di Zoologia ed Anatomia Comparata della R. Università di Torino', 2],
    ['Bulletin Zoologisch Museum van Amsterdam [Amsterdam Naturalist]', 1],
    ['Check List', 2],
    ['Copeia', 1],
    ['Dahlia -- Rev. Asoc. Colomb. Ictiol.', 2],
    ['Ind. Univ. Studies', 1],
    ['Neotropical Ichthyology', 6],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 5],
    ['Proceedings of the American Philosophical Society', 2],
    ['Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaften Classe', 4],
    ['Zootaxa', 9],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=51)',
    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);