function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales de la Société Entomologique de France, Séries 1 - 6', 3],
    ['Biodiversity Data Journal', 3],
    ['Denisia', 1],
    ['European Journal of Taxonomy', 7],
    ['Insecta Mundi', 1],
    ['Journal of Natural History', 16],
    ['Laurentius Salvius', 2],
    ['Papéis Avulsos de Zoologia', 2],
    ['Proceedings of the Entomological Society of Washington', 5],
    ['Proceedings of the Linnean Society of London, Zoology', 7],
    ['Revue Entomologique (Strasbourg)', 7],
    ['The Entomologist', 8],
    ['ZooKeys', 35],
    ['Zoologia', 2],
    ['Zootaxa', 604],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=709)',
    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);