function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zoologica Sinica', 3],
    ['Acta Zootaxonomica Sinica', 20],
    ['Annales des Sciences Naturelles, Zoologie, Série 5', 4],
    ['Arkiv för Zoologi', 2],
    ['Environmental Biology of Fishes', 4],
    ['Estestvennye i Tekhnicheskie Nauki', 2],
    ['Ezhegodnik Zoologicheskogo Muzeya Imperatorskogo Akademii Nauk', 3],
    ['Ichthyological Exploration of Freshwaters', 3],
    ['Izvestiya Tomskogo Universiteta', 2],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 6],
    ['Proceedings of the Zoological Society of London, B', 6],
    ['Raffles Bulletin of Zoology', 5],
    ['Records of the Indian Museum', 17],
    ['Verlag Dr. Friedrich Pfeil', 4],
    ['Zootaxa', 13],
    ['Other (42)', 51]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=145)',
    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);