function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Australian zoologist', 2],
    ['Biodiversity Data Journal', 6],
    ['Entomologische Zeitung', 1],
    ['Entomologist\'s monthly magazine', 1],
    ['Insects of Guam I', 1],
    ['Irish naturalists\' journal', 1],
    ['Journal of the Australian Entomological Society', 2],
    ['Memoirs of Museum Victoria', 7],
    ['Pacific insects monograph', 4],
    ['Papers and proceedings of the Royal Society of Tasmania', 1],
    ['Proceedings of the Linnean Society of New South Wales', 3],
    ['Records of the Australian Museum', 7],
    ['Records of the Canterbury Museum', 2],
    ['Russian Entomological Journal', 2],
    ['Zootaxa', 12],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=57)',
    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);