function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Societatis Regiae Scientiarum Indo-Neêrlandicae', 1],
    ['Annales du Musée du Congo Belge, Série 1, Zoologiques', 2],
    ['Anzeiger', 1],
    ['Archiv für Naturgeschichte', 1],
    ['Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano', 1],
    ['Bulletin de la Société Philomathique de Paris, Série 7', 1],
    ['Bulletin de la Société Zoologique de France', 2],
    ['Journal and Proceedings of the Asiatic Society of Bengal', 3],
    ['Madras Journal of Literature and Science', 3],
    ['Natuurkunde Tijdschrift voor Nederlandsche-Indië', 3],
    ['Proceedings of the Zoological Society of London, B', 4],
    ['Report of the British Association for the Advancement of Science', 3],
    ['Revue Zoologique Africaine', 2],
    ['Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaften Classe', 3],
    ['Zootaxa', 3],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=43)',
    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);