function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Parasitologica', 1],
    ['Acta Zootaxonomica Sinica', 1],
    ['Bulletin du Muséum National d’Histoire Naturelle, Série 4, Section A, Zoologie, Biologie et Écologie d’Animal', 1],
    ['Bulletin of the National Science Museum, Series A, Zoology', 2],
    ['Canadian Journal of Zoology', 1],
    ['Japanese Journal of Zoology', 2],
    ['Journal of Parasitology', 1],
    ['Journal of the Biological Board of Canada', 1],
    ['Journal of the Royal Society of New Zealand', 1],
    ['Keigaku Publishing Company', 4],
    ['Papers from the Tortugas Laboratory of the Carnegie Institute of Washington', 1],
    ['Parasitology International', 2],
    ['Publications of the Seto Marine Biological Laboratory', 1],
    ['Rivista di Parassitologia', 1],
    ['Transactions of the Biogeographical Society of Japan', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=25)',
    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);