function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 3],
    ['Annales de la Société Entomologique de France, Nouvelle Série', 2],
    ['Bulletin de la Société Entomologique de France', 5],
    ['Caucasian Entomological Bulletin', 25],
    ['Entomologische Abhandlungen', 6],
    ['European Journal of Taxonomy', 4],
    ['Fauna of New Zealand', 3],
    ['Historical biology', 4],
    ['Insecta Mundi', 25],
    ['Mémoires du Muséum national d\'Histoire naturelle', 11],
    ['Records of the Australian Museum', 14],
    ['The Coleopterists Bulletin', 30],
    ['ZooKeys', 27],
    ['Zoosystema', 77],
    ['Zootaxa', 403],
    ['Other (20)', 28]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=667)',
    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);