function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 106],
    ['Acta Zoologica Academiae Scientiarum Hungaricae', 45],
    ['African Invertebrates', 8],
    ['Australian Journal of Zoology, Supplementary Series', 15],
    ['Biodiversity Data Journal', 8],
    ['Canadian entomologist', 4],
    ['Diptera Sveciae', 5],
    ['Entomo Helvetica', 2],
    ['European Journal of Taxonomy', 20],
    ['Faunus (Gistel\'s)', 5],
    ['Japanese Journal of Systematic Entomology', 19],
    ['Mémoires Présentés par Divers Savans à l\'Académie Royale des Sciences de l\'Institut de France, et Imprimés par son Ordre', 5],
    ['Revue suisse de zoologie', 3],
    ['ZooKeys', 9],
    ['Zootaxa', 531],
    ['Other (17)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=805)',
    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);