function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Chiropterologica', 121],
    ['Annales Historico-Naturales Musei Nationalis Hungarici', 6],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College', 46],
    ['Catalogue of the Chiroptera in the collection of the British Museum', 27],
    ['Catalogue of the Mammalia in the Museum of the East India Company', 12],
    ['European Journal of Taxonomy', 27],
    ['Handbook of the Mammals of the World – Volume 9 Bats', 110],
    ['Mammal Species of the World (1 st Edition)', 138],
    ['Mammal Species of the World (2 nd Edition)', 66],
    ['Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1', 227],
    ['PLoS ONE', 23],
    ['Proceedings of the Zoological Society of London', 57],
    ['Zoological Series Of Field Museum Of Natural History', 8],
    ['Zoosystema', 6],
    ['Zootaxa', 27],
    ['Other (23)', 44]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=945)',
    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);