function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 175],
    ['Alpine Entomology', 108],
    ['Biodiversity Data Journal', 18],
    ['Diptera Sveciae', 11],
    ['Entomo Helvetica', 37],
    ['Japanese Journal of Systematic Entomology', 6],
    ['Journal of Insect Science', 3],
    ['Journal of Natural History', 6],
    ['Journal of the Royal Society of New Zealand', 16],
    ['Linzer biologische Beiträge', 9],
    ['Species Diversity', 13],
    ['Vestnik Zoologii', 18],
    ['ZooKeys', 108],
    ['Zoodiversity', 56],
    ['Zootaxa', 853],
    ['Other (19)', 29]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1466)',
    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);