function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 16],
    ['Biodiversity Data Journal', 287],
    ['Dipteron', 12],
    ['Entomo Helvetica', 14],
    ['European Journal of Taxonomy', 10],
    ['Insecta Mundi', 197],
    ['Insects of Guam I', 10],
    ['Linzer biologische Beiträge', 27],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 6],
    ['Records of the Australian Museum', 29],
    ['Records of the Indian Museum', 5],
    ['ZooKeys', 234],
    ['Zoological Systematics', 29],
    ['Zoosystema', 11],
    ['Zootaxa', 590],
    ['Other (25)', 43]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1520)',
    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);