function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alcheringa: An Australasian Journal of Palaeontology', 2],
    ['American Museum Novitates', 9],
    ['Bulletin of the American Museum of Natural History', 40],
    ['Handbook of the Mammals of the World – Volume 5 Monotremes and Marsupials', 151],
    ['Journal of Vertebrate Paleontology', 3],
    ['Mammal Species of the World (2 nd Edition)', 163],
    ['Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1', 265],
    ['Mammalian Species', 8],
    ['Megataxa', 13],
    ['Palaeontologia Electronica', 8],
    ['R. & J. E. Taylor', 2],
    ['Records of the Australian Museum', 48],
    ['Zoological Journal of the Linnean Society', 15],
    ['Zoosystema', 23],
    ['Zootaxa', 39],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=795)',
    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);