function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alpine Entomology', 7],
    ['American Museum Novitates', 23],
    ['Bishop Museum Bulletin in Entomology', 18],
    ['Diptera Sveciae', 11],
    ['European Journal of Taxonomy', 20],
    ['Far Eastern Entomologist', 101],
    ['Journal of Natural History', 6],
    ['Linzer biologische Beiträge', 17],
    ['Mémoires du Muséum national d\'Histoire naturelle', 8],
    ['Proceedings of the Hawaiian Entomological Society', 13],
    ['Records of the Australian Museum', 18],
    ['University of Texas Publications', 6],
    ['ZooKeys', 13],
    ['Zoological Science', 11],
    ['Zootaxa', 663],
    ['Other (26)', 52]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=987)',
    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);