function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anales del Instituto de Biología, Universidad Nacional Autónoma de México (Series Zoología)', 1],
    ['Annales du Musée Royal du Congo Belge, Série 5, Zoologiques', 1],
    ['Arb. Univ. Bergen Mat. - Naturv.', 1],
    ['Bulletin of the Academy of Sciences Allahabad', 3],
    ['Indian Journal of Helminthology', 1],
    ['Interscience Publications', 1],
    ['Japanese Journal of Zoology', 1],
    ['Journal of Parasitology', 3],
    ['Journal of helminthology', 1],
    ['Keigaku', 1],
    ['Miscellanea Helminthologica Madagascariensis', 1],
    ['Proceedings of the Helminthological Society of Washington', 2],
    ['Transactions of the American Microscopical Society', 2],
    ['Zoologische Jahrbucher, Abteilung für Systematik', 2],
    ['Zootaxa', 3],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=34)',
    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);