function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Arachnologica', 1],
    ['American Museum Novitates', 1],
    ['Annales du Musée Royal du Congo Belge, Tervuren (Série in 8 º) Sciences Zoologiques', 1],
    ['Archives de Zoologie Expérimentale et Générale: Hitorire Naturelle, Morphologie, Histologie, Évolution des Animaux', 1],
    ['Arkiv för Zoologi', 7],
    ['Bulletin de la Société Entomologique de France', 1],
    ['Bulletin du Musée Royal d\'Histoire Naturelle de Belgique', 1],
    ['Lansania', 1],
    ['Occasional Papers of the California Academy of Sciences', 1],
    ['Occasional Papers of the Museum of Texas Tech University', 1],
    ['Pan-Pacific Entomologist', 1],
    ['Pan-Pacific entomologist', 1],
    ['Proceedings of the Biological Society of Washington', 1],
    ['Revue suisse de zoologie', 1],
    ['Senckenbergiana Biologica', 4],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=26)',
    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);