function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Australian Journal of Zoology', 4],
    ['Bulletin of the National Museum of Nature and Science, Series A (Zoology)', 3],
    ['Canadian Journal of Zoology', 5],
    ['Crustaceana', 2],
    ['Fauna of New Zealand', 10],
    ['Journal of Crustacean Biology', 2],
    ['Journal of Natural History', 19],
    ['Philippine Journal of Science, Section D', 2],
    ['Publications in Biological Oceanography', 6],
    ['Records of the Australian Museum', 25],
    ['Records of the Australian Museum Supplement', 7],
    ['Species Diversity', 9],
    ['ZooKeys', 8],
    ['Zoosystematics and Evolution', 23],
    ['Zootaxa', 246],
    ['Other (21)', 23]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=394)',
    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);