function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A. Constable', 49],
    ['American Museum Novitates', 44],
    ['Asiatic Researches', 70],
    ['Biodiversity Data Journal', 55],
    ['Bulletin de la Société Zoologique de France', 31],
    ['Bulletin of the United States National Museum', 33],
    ['Ichthyological Exploration of Freshwaters', 32],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 125],
    ['Proceedings of the United States National Museum, 3', 52],
    ['Proceedings of the Zoological Society of London, B', 75],
    ['Raffles Bulletin of Zoology', 103],
    ['Records of the Indian Museum', 39],
    ['Turkish Journal of Zoology', 129],
    ['ZooKeys', 41],
    ['Zootaxa', 1096],
    ['Other (348)', 1544]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=3518)',
    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);