function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annalen des Naturhistorischen Museums in Wien, Serie A Mineralogie und Petrographie Geologie und Palaeontologie Anthropologie un', 2],
    ['Archiv für Naturgeschichte', 1],
    ['Bianco Lunos Bogtrykkeri ved F. S. Muhle', 1],
    ['Biodiversity Data Journal', 10],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College', 110],
    ['Bulletin of the National Science Museum, Series A (Zoology)', 2],
    ['Deterville', 1],
    ['European Journal of Taxonomy', 185],
    ['Memoirs of Museum Victoria', 1],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 3],
    ['Raffles Bulletin of Zoology', 8],
    ['Revista Brasileira de Zoologia', 3],
    ['Species Diversity', 2],
    ['Zoological Journal of the Linnean Society', 2],
    ['Zootaxa', 494],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=832)',
    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);