function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 10],
    ['Annales de la Société Impériale d\'Agriculture, Histoire Naturelle de Lyon', 1],
    ['Annals of the Carnegie Museum', 1],
    ['Anzeiger', 1],
    ['Bollettino della Società Entomologica Italiana', 1],
    ['Bulletin of the United States Bureau of Fisheries', 1],
    ['Check List', 16],
    ['European Journal of Taxonomy', 1],
    ['Ichthyological Research', 2],
    ['Journal of the Academy of Natural Sciences of Philadelphia, Second Series', 1],
    ['Memoirs of the Queensland Museum', 2],
    ['Natuurkunde Tijdschrift voor Nederlandsche-Indië', 2],
    ['Records of the Zoological Survey of India', 2],
    ['Science Report of the Yokosuka City Museum', 2],
    ['Zootaxa', 54],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=103)',
    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);