function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales du Musée Royal du Congo Belge, Tervuren (Série in 8 º) Sciences Zoologiques', 1],
    ['Biodiversity Data Journal', 2],
    ['Bulletin de la Société Entomologique de France', 1],
    ['Ecologica Montenegrina', 1],
    ['European Journal of Taxonomy', 103],
    ['Evolutionary Systematics', 2],
    ['Journal of Natural History', 2],
    ['Memoirs of the National Museum of Victoria', 1],
    ['Mitteilungen aus dem Naturhistorischen Museum in Hamburg', 1],
    ['Mémoires du Muséum National d’Histoire Naturelle', 2],
    ['Pensoft Publishers', 1],
    ['Revista Ibérica de Aracnología', 2],
    ['ZooKeys', 3],
    ['Zoologische Jahrbücher, Abteilung für Systematik, Ökologie und Geographie der Tiere', 3],
    ['Zootaxa', 25],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=153)',
    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);