function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abhandlungen der Physikalischen Klasse der Königlich-Preussischen Akademie der Wissenschaften', 1],
    ['Annales de la Société Entomologique de France, Séries 1 - 6', 5],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 9],
    ['Archiv für Naturgeschichte', 4],
    ['Ezhegodnik Zoologicheskogo muzeia', 7],
    ['Izviestiia Imperatorskoi Akademii Nauk', 4],
    ['Magasin de Zoologie', 2],
    ['Mitteilungen aus dem Naturhistorischen Museum in Hamburg', 3],
    ['Mémoires Présentés par divers Savants à l\'Académie des Sciences de l\'Institut Impérial de France (Sciences Mathématiques et Phys', 7],
    ['Records of the Indian Museum', 5],
    ['Records of the Western Australian Museum', 11],
    ['Taylor and Francis', 7],
    ['Travaux de l\'Institut Zoologique de l\'Académie des Sciences de l\'U. R. S. S.', 7],
    ['Zoologischer Anzeiger', 5],
    ['Zootaxa', 8],
    ['Other (14)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=99)',
    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);