function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales de l\'Institut Océanographique, Nouvelle Serie', 1],
    ['Annals of the Carnegie Museum', 1],
    ['Annals of the Natal Museum', 1],
    ['Bulletin of the United States Bureau of Fisheries', 2],
    ['Journal of the Bombay Natural History Society', 1],
    ['Natuurkunde Tijdschrift voor Nederlandsche-Indië', 3],
    ['Newspaper Enterprise, Ltd.', 1],
    ['Proceedings of the Linnean Society of New South Wales', 2],
    ['Proceedings of the United States National Museum, 3', 1],
    ['Raffles Bulletin of Zoology', 2],
    ['Records of the Australian Museum', 1],
    ['Repertorio Fisico-Natural de la Isla de Cuba', 1],
    ['Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe. Abteilung 1, Mineralo', 1],
    ['Zoologischer Anzeiger', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=19)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);