function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales du Musée du Congo Belge, Série 1, Zoologiques', 33],
    ['Annals of the Carnegie Museum', 61],
    ['Anzeiger', 43],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College, 3', 39],
    ['Check List', 110],
    ['Copeia', 41],
    ['Ichthyological Exploration of Freshwaters', 34],
    ['Ind. Univ. Studies', 59],
    ['Journal of Natural History', 35],
    ['Neotropical Ichthyology', 378],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 98],
    ['Proceedings of the Biological Society of Washington', 37],
    ['ZooKeys', 37],
    ['Zoological Journal of the Linnean Society', 45],
    ['Zootaxa', 592],
    ['Other (176)', 841]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=2483)',
    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);