function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acarologia', 152],
    ['Biodiversity Data Journal', 5],
    ['Bulletin of the National Museum of Nature and Science, Series A (Zoology)', 3],
    ['Bulletin of the Raffles Museum', 6],
    ['European Journal of Taxonomy', 435],
    ['Folia Parasitologica', 8],
    ['Geodiversitas', 1],
    ['Journal Med Ent', 1],
    ['Journal of Medical Entomology', 4],
    ['Journal of Parasitology', 2],
    ['Journal of the Washington Academy of Sciences', 3],
    ['New Zealand Journal of Zoology', 2],
    ['Systematic Parasitology', 2],
    ['Transactions of the Royal Society of New Zealand', 3],
    ['Zootaxa', 4305],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=4935)',
    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);