function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zootaxonomica Sinica', 4],
    ['Annales de Parasitologie Humaine et Comparée', 4],
    ['Biodiversity Data Journal', 7],
    ['Centralblatt für Bakteriologie, Parasitenkunde und Infektionskrankheiten, Abteilung 1, Originale', 3],
    ['Indian Journal of Helminthology', 11],
    ['Journal of helminthology', 6],
    ['Parasitology', 3],
    ['Proceedings of the National Academy of Sciences of India Allahabad', 3],
    ['Proceedings of the National Academy of Sciences, India, Section B, Biological Sciences', 6],
    ['Proceedings of the United States National Museum', 4],
    ['Research Bulletin of the Panjab University of Science (Zoology)', 5],
    ['Rivista di Parassitologia', 11],
    ['Studies of the Zoological Laboratory, University of Nebraska', 3],
    ['Transactions of the American Microscopical Society', 3],
    ['Zootaxa', 7],
    ['Other (84)', 100]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=180)',
    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);