function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zoologica Sinica', 1],
    ['Acta Zootaxonomica Sinica', 1],
    ['Algemeene Konst- en Letter-Bode', 1],
    ['Bulletin Zool. Surv. India', 1],
    ['Bulletin of the United States National Museum', 10],
    ['FishTaxa', 1],
    ['Indian Journal of Fisheries', 1],
    ['Iranian Journal of Ichthyology', 2],
    ['Japanese Journal of Ichthyology', 2],
    ['Journal Huazhong Agric. Univ.', 1],
    ['Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut', 2],
    ['Records of the Zoological Survey of India', 2],
    ['Senckenbergiana Biologica', 2],
    ['Videnskabelige Meddelelser frå Dansk Naturhistorisk Forening', 2],
    ['Zoological Survey of India', 7],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=43)',
    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);