function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales des Sciences Naturelles, Zoologie, Série 5', 3],
    ['Biodiversity Data Journal', 7],
    ['Bulletin of the Fan Memorial Institute of Biology', 3],
    ['Check List', 3],
    ['Contr. Biol. Lab. Sci. Soc. China, Zool. Ser.', 5],
    ['Ichthyological Exploration of Freshwaters', 6],
    ['Journal and Proceedings of the Asiatic Society of Bengal', 4],
    ['Journal of Natural History', 22],
    ['Natuurkunde Tijdschrift voor Nederlandsche-Indië', 5],
    ['Notes from the Leyden Museum', 5],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 4],
    ['Proceedings of the California Academy of Sciences, Series 2', 4],
    ['Proceedings of the Zoological Society of London, B', 7],
    ['Raffles Bulletin of Zoology', 52],
    ['Zootaxa', 97],
    ['Other (60)', 86]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=313)',
    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);