function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 8],
    ['Alpine Entomology', 9],
    ['Australian Journal of Entomology', 2],
    ['Biodiversity Data Journal', 4],
    ['Bulletin of the United States National Museum', 4],
    ['European Journal of Taxonomy', 11],
    ['Far Eastern Entomologist', 3],
    ['Fragmenta Faunistica', 19],
    ['Insecta Mundi', 32],
    ['Journal of Natural History', 124],
    ['Pacific Science', 6],
    ['Proceedings of the Linnean Society of New South Wales', 10],
    ['Transactions and proceedings of the New Zealand Institute', 4],
    ['Zoosystema', 29],
    ['Zootaxa', 531],
    ['Other (9)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=809)',
    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);