function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 8],
    ['Annales de la Société Entomologique de France, Nouvelle Série', 1],
    ['Coleopterists bulletin', 4],
    ['Entomologist\'s monthly magazine', 15],
    ['European Journal of Taxonomy', 35],
    ['Insecta Mundi', 9],
    ['Journal of Natural History', 3],
    ['Koleopterologische rundschau', 24],
    ['Mélanges exotico-entomologiques. Moulins', 10],
    ['Special bulletin of the Essa Entomological Society', 3],
    ['Special bulletin of the Japanese Society of Coleopterology', 2],
    ['The Coleopterists Bulletin', 5],
    ['ZooKeys', 10],
    ['Zoologia', 2],
    ['Zootaxa', 37],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=177)',
    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);