function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 116],
    ['Acta Zoologica Academiae Scientiarum Hungaricae', 10],
    ['Biodiversity Data Journal', 33],
    ['Check List', 13],
    ['Entomologica scandinavica', 14],
    ['Invertebrate systematics', 5],
    ['Journal of the Australian Entomological Society', 7],
    ['Linzer biologische Beiträge', 41],
    ['New Zealand journal of zoology', 8],
    ['Raffles Bulletin of Zoology', 7],
    ['Russian Entomological Journal', 8],
    ['ZooKeys', 12],
    ['Zoological Journal of the Linnean Society', 154],
    ['Zoosystema', 13],
    ['Zootaxa', 305],
    ['Other (24)', 42]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=788)',
    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);