function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amazoniana', 8],
    ['Arkiv för Zoologi', 11],
    ['Bulletin of the American Museum of Natural History', 36],
    ['Bulletin of the Association for Mexican Cave Studies', 9],
    ['Ecologica Montenegrina', 8],
    ['Invertebrate Taxonomy', 28],
    ['Invertebrate systematics', 6],
    ['Journal of Arachnology', 27],
    ['Journal of Natural History', 14],
    ['Memoirs of the Queensland Museum', 9],
    ['Occasional Papers of the Museum of Texas Tech University', 11],
    ['Poeyana, A', 14],
    ['Records of the Indian Museum', 7],
    ['Records of the Western Australian Museum Supplement', 9],
    ['Zootaxa', 58],
    ['Other (50)', 91]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=346)',
    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);