function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bulletin of the United States Fish Commission', 1],
    ['Bulletin of the United States National Museum', 1],
    ['Denkschriften der Kaiserlichen Akademie der Wissenschaften, Wien', 1],
    ['European Journal of Taxonomy', 1],
    ['Ichthyological Research', 2],
    ['Japanese Journal of Ichthyology', 3],
    ['Journal Sigenkagaku Kenkyusyo', 1],
    ['Journal and Proceedings of the Asiatic Society of Bengal', 1],
    ['Journal of Fish Biology', 1],
    ['Memoirs of the College of Agriculture Kyoto University', 1],
    ['Memoirs of the Indian Museum', 1],
    ['Proceedings of the Linnean Society of New South Wales', 1],
    ['Proceedings of the United States National Museum, 3', 3],
    ['Species Diversity', 2],
    ['Zootaxa', 35],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=60)',
    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);