function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Palaeontologica Polonica', 10],
    ['American Museum Novitates', 32],
    ['Bulletin of the American Museum of Natural History', 27],
    ['European Journal of Taxonomy', 510],
    ['Fossil Imprint', 33],
    ['Fossil Record', 15],
    ['Geodiversitas', 199],
    ['Journal of Natural History', 20],
    ['Journal of the Academy of Natural Sciences of Philadelphia', 9],
    ['Laurentius Salvius', 27],
    ['NIWA', 16],
    ['Revue de Paléobiologie', 39],
    ['Zitteliana', 11],
    ['Zoological Journal of the Linnean Society', 33],
    ['Zootaxa', 43],
    ['Other (67)', 156]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1180)',
    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);