function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abhandlungen herausgegeben von der Senckenbergischen Naturforschenden Gesellschaft', 1],
    ['Annales de la Societe Entomologique de Belgique', 5],
    ['Annales de la Société Entomologique de France', 4],
    ['Annali del Museo Civico di Storia Naturale di Genova', 1],
    ['Arthropod fauna of the UAE', 1],
    ['Biodiversity Data Journal', 9],
    ['Bulletin et Annales de la Societe Entomologique de Belge', 8],
    ['Bulletin of the American Museum of Natural History', 2],
    ['Deutsche Entomologische Zeitschrift', 2],
    ['Entomologische Mitteilungen', 2],
    ['Far Eastern Entomologist', 1],
    ['Histoire Physique, Naturelle et Politique de Madagascar.', 3],
    ['ZooKeys', 9],
    ['Zoological Journal of the Linnean Society', 2],
    ['Zootaxa', 11],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=71)',
    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);