function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Arachnologica', 3],
    ['African Invertebrates', 8],
    ['African invertebrates', 7],
    ['American Museum Novitates', 5],
    ['Biodiversity Data Journal', 28],
    ['Bulletin of the National Science Museum, Series A (Zoology)', 11],
    ['European Journal of Taxonomy', 36],
    ['Journal of Natural History', 5],
    ['Records of the Australian Museum', 26],
    ['Revue de zoologie africaine', 13],
    ['UPLB Museum Publications in Natural History', 3],
    ['ZooKeys', 60],
    ['Zoological Systematics', 10],
    ['Zoosystema', 4],
    ['Zootaxa', 442],
    ['Other (11)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=674)',
    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);