function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boletim do Museu Municipal do Funchal', 1],
    ['Bulletin de l\'Institut Océanographique de Monaco', 1],
    ['Bulletin of the Bingham Oceanographic Collection Yale University', 1],
    ['Copeia', 1],
    ['European Journal of Taxonomy', 4],
    ['Journal de Physique, de Chimie, d\'Histoire Naturelle et des Arts', 1],
    ['K. Danske Vidensk. Selsk. Naturvid. Math. Afhandl.', 1],
    ['Moniteur des Étrangers à Nice', 1],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 1],
    ['Proceedings of the United States National Museum, 3', 1],
    ['Rep. Danish Oceanogr. Exped. Mediterr., 1908 - 1910 Medit. Adj. Seas.', 1],
    ['Repertorio Fisico-Natural de la Isla de Cuba', 1],
    ['Videnskabelige Meddelelser frå Dansk Naturhistorisk Forening', 6],
    ['Zootaxa', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=25)',
    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);