function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales de la Société entomologique de Belgique', 5],
    ['Arthropod Systematics & amp; Phylogeny', 12],
    ['Baltic Journal of Coleopterology', 13],
    ['Berliner Entomologische Zeitschrift', 8],
    ['Biodiversity Data Journal', 8],
    ['Entomo Helvetica', 7],
    ['Insect Systematics and Diversity', 28],
    ['Insecta Mundi', 123],
    ['Japanese Journal of Systematic Entomology', 11],
    ['Journal of Natural History', 71],
    ['LAMPYRID, volume 1 - 4', 6],
    ['The Coleopterists Bulletin', 6],
    ['ZooKeys', 25],
    ['Zoological Journal of the Linnean Society', 18],
    ['Zootaxa', 1092],
    ['Other (18)', 45]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1478)',
    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);