function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 8],
    ['Bol. Inst. Oceanogr. Univ. Oriente, Cumana', 9],
    ['Denkschriften der Kaiserlichen Akademie der Wissenschaften, Wien', 2],
    ['Geodiversitas', 2],
    ['Memoires de la Sociedad de Ciencias Naturales La Salle', 2],
    ['Monatsberichte der Akademie der Wissenschaft zu Berlin', 3],
    ['Neotropical Ichthyology', 26],
    ['Noved. Cient. Mus. Hist. Nat. La Salle, Zool.', 2],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 6],
    ['Proceedings of the United States National Museum, 3', 2],
    ['Senckenbergiana Biologica', 2],
    ['Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaften Classe', 4],
    ['Transactions of the American Philosophical Society', 6],
    ['Transactions of the Zoological Society of London', 4],
    ['Zootaxa', 21],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=109)',
    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);