function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anales de Instituto de Biología, Universidad Nacional Autónoma de México, Serie Zoologia', 1],
    ['Annale van die Suid-Afrikaanse Museum [Annals of the South African Museum]', 1],
    ['Boletim do Museu Municipal do Funchal', 2],
    ['Bulletin de l\'Institut Océanographique de Monaco', 1],
    ['European Journal of Taxonomy', 6],
    ['Ichthyological Research', 1],
    ['Proceedings of the United States National Museum, 3', 1],
    ['Sitzungsberichte der Gesellschaft zur Beförderung der Gesamten Naturwissenschaften zu Marburg', 1],
    ['Stanford Ichthyological Bulletin', 1],
    ['Voprosy Ikhtiologii', 2],
    ['Zootaxa', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=27)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);