function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zoologica Taiwanica', 6],
    ['Bulletin of the United States Bureau of Fisheries', 1],
    ['Israel Journal of Zoology', 3],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 4],
    ['Publications of the Field Museum of Natural History, Zoölogical', 1],
    ['Revue française d\'Aquariologie Herpétologie', 1],
    ['Schmerber', 1],
    ['Senckenbergiana Maritima', 1],
    ['Smithiana, Publications in Aquatic Biodiversity', 4],
    ['Species Diversity', 2],
    ['Stanford Ichthyological Bulletin', 1],
    ['Theses Zoologicae', 12],
    ['Vidensk. Medd. Dansk Nat. Foren. Kjöbenhavn', 1],
    ['Zootaxa', 27]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=65)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);