function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anais da Academia Brasileira de Ciencias', 1],
    ['Biodiversity Data Journal', 2],
    ['Boletin de la Sociedad Venezolana de Espeleologia', 2],
    ['European Journal of Taxonomy', 146],
    ['Evolutionary Systematics', 2],
    ['Journal of Natural History', 2],
    ['Mémoires du Muséum National d’Histoire Naturelle', 2],
    ['Records of the Indian Museum', 7],
    ['Redia', 2],
    ['Revista Ibérica de Aracnología', 2],
    ['Smithsonian Institution Press', 3],
    ['Studies on the Fauna of Curacao and Other Caribbean Islands', 4],
    ['ZooKeys', 4],
    ['Zoologische Jahrbücher, Abteilung für Systematik, Ökologie und Geographie der Tiere', 3],
    ['Zootaxa', 42],
    ['Other (16)', 16]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=240)',
    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);