function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zoologica Sinica', 4],
    ['Acta Zootaxonomica Sinica', 1],
    ['Akademiya Nauk SSSR', 1],
    ['Atas da Sociedade de biologia do Rio de Janeiro', 1],
    ['Bulletin of the Department of Zoology University of the Panjab (New Series)', 1],
    ['Japanese Journal of Zoology', 3],
    ['Keigaku Publishing Company', 1],
    ['Marine Science Bulletin', 1],
    ['Pakistan Journal of Scientific and Industrial Research', 1],
    ['Pakistan Journal of Zoology', 1],
    ['Papers from the Tortugas Laboratory of the Carnegie Institute of Washington', 1],
    ['Parasitology', 1],
    ['Philippine Journal of Science', 1],
    ['Studia Marina Sinica', 1],
    ['The Zoological Society of India', 1],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=22)',
    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);