function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Palaeontologica Polonica', 1],
    ['American Museum Novitates', 10],
    ['Bulletin of the American Museum of Natural History', 20],
    ['European Journal of Taxonomy', 14],
    ['Geodiversitas', 11],
    ['Journal of Vertebrate Paleontology', 5],
    ['Mesozoic and Cenozoic Red Beds of South China: Selected Papers from the " Cretaceous-Tertiary Workshop ", Institute of Vertebrat', 5],
    ['Papéis Avulsos de Zoologia', 2],
    ['PeerJ', 2],
    ['Special papers in palaeontology', 4],
    ['The American Midland Naturalist', 2],
    ['Vertebrate Zoology', 2],
    ['ZooKeys', 2],
    ['Zoological Journal of the Linnean Society', 87],
    ['Zootaxa', 34],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=207)',
    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);