function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 9],
    ['Deterville', 2],
    ['European Journal of Taxonomy', 4],
    ['Geodiversitas', 3],
    ['Geological Survey of Alabama', 11],
    ['Journal of Natural History', 8],
    ['Journal of the Washington Academy of Sciences', 9],
    ['Proceedings of the United States National Museum, 3', 12],
    ['Raffles Bulletin of Zoology', 9],
    ['Revue Suisse de Zoologie', 6],
    ['Species Diversity', 69],
    ['ZooKeys', 3],
    ['Zoological Journal of the Linnean Society', 11],
    ['Zoosystema', 5],
    ['Zootaxa', 204],
    ['Other (3)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=369)',
    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);