function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anais da Academia Brasileira de Ciencias', 1],
    ['Annales de la Société Entomologique de France, Nouvelle Série', 1],
    ['Annales de la Société Entomologique de France, Séries 1 - 6', 1],
    ['European Journal of Taxonomy', 39],
    ['Pacific insects', 1],
    ['Records of the Indian Museum', 2],
    ['Redia', 1],
    ['ZooKeys', 1],
    ['Zootaxa', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=60)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);