function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales de la Societe Entomologique de Belgique', 9],
    ['Annales de la Societe Entomologique de Belgique, Comptes-rendus des Seances', 12],
    ['Annali del Museo Civico di Storia Naturale Giacomo Doria (Genova)', 7],
    ['Arthropod fauna of the UAE', 2],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 4],
    ['Berliner Entomologische Zeitschrift', 3],
    ['Biodiversity Data Journal', 6],
    ['Bollettino della Societa Entomologica Italiana', 7],
    ['Entomologists Record and Journal of Variation', 2],
    ['Fauna Entomologica Scandinavica', 8],
    ['Histoire physique, naturelle et politique de Madagascar. 20.', 3],
    ['Myrmecologische Nachrichten', 2],
    ['Proceedings of the Institute of Zoology', 3],
    ['Yezhegodnik Zoologicheskogo Muzeya Imperatorskoi Akademii Nauk', 3],
    ['Zootaxa', 8],
    ['Other (11)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=94)',
    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);