function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arquivos do Universidade Lisboa', 1],
    ['Bulletin Sea Fish. Res. Sta. Israel', 1],
    ['Bulletin de la Société Zoologique de France', 1],
    ['Bulletin of Marine Science', 1],
    ['European Journal of Taxonomy', 3],
    ['Journal of Natural History', 2],
    ['Notulae Naturae', 1],
    ['Repertorio Fisico-Natural de la Isla de Cuba', 1],
    ['Résultats Scientifiques de la Expédition Océanographique Belge dans les Eaux Côtieres Africaines de l\'Atlantique Sud (1948 - 194', 1],
    ['Zootaxa', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=15)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);