function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 1],
    ['Geobios', 1],
    ['Geodiversitas', 1],
    ['Handbook of the Mammals of the World – Volume 7 Rodents II', 37],
    ['Laurentii Salvii', 1],
    ['Laurentius Salvius', 17],
    ['Mammal Species of the World (1 st Edition)', 41],
    ['Mammal Species of the World (2 nd Edition)', 39],
    ['Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2', 46],
    ['Mammalia', 1],
    ['Mammalian Species', 1],
    ['Papers and proceedings of the Royal Society of Tasmania', 2],
    ['Records of the Australian Museum', 12],
    ['Zoosystema', 5],
    ['Zootaxa', 12],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=220)',
    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);