function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 147],
    ['Annali del Museo Civico di Storia Naturale di Genova', 25],
    ['Biodiversity Data Journal', 3],
    ['Bulletin de la Société Impériale des Naturalistes de Moscou', 2],
    ['Caucasian Entomological Bulletin', 3],
    ['Check List', 206],
    ['Entomon', 3],
    ['Insecta Mundi', 52],
    ['Japanese Journal of Systematic Entomology', 4],
    ['Journal of Natural History', 14],
    ['Mémoires du Muséum national d\'Histoire naturelle', 47],
    ['The Coleopterists Bulletin', 17],
    ['ZooKeys', 46],
    ['Zoological Systematics', 36],
    ['Zootaxa', 164],
    ['Other (15)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=789)',
    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);