function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Academiae Scientiarum Imperialis Petropolitanae', 2],
    ['Annali del Museo Civico di Storia Naturale di Genova', 2],
    ['Biblioteca de Clasicos Cubanos', 4],
    ['Bulletin of the United States Bureau of Fisheries', 2],
    ['European Journal of Taxonomy', 2],
    ['F. Schoell', 7],
    ['In Commission bei T. Trautwein', 3],
    ['Journal of the Academy of Natural Sciences of Philadelphia', 4],
    ['Laurentius Salvius', 13],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 5],
    ['Proceedings of the Linnean Society of New South Wales', 3],
    ['Proceedings of the United States National Museum, 3', 4],
    ['Résultats Scientifiques de la Expédition Océanographique Belge dans les Eaux Côtieres Africaines de l\'Atlantique Sud (1948 - 194', 3],
    ['Sanderiano Commissum', 4],
    ['Sanfilippo', 8],
    ['Other (39)', 44]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=110)',
    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);