function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 4],
    ['Extract from \' Mémoires présentés à l\'Académie impériale des Sciences de St. Petersbourg t. 1 \' printed separately the year befo', 1],
    ['Far Eastern Entomologist', 8],
    ['Insecta Mundi', 1],
    ['Insects of Guam I', 2],
    ['Linzer biologische Beiträge', 47],
    ['Memoirs of Museum Victoria', 1],
    ['The Scientific Transactions of the Royal Dublin Society, Series 2', 4],
    ['Transactions of the Entomological Society of London', 3],
    ['ZooKeys', 10],
    ['Zoosystema', 2],
    ['Zootaxa', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=87)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);