function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales de la Société Entomologique de France', 21],
    ['Biodiversity Data Journal', 49],
    ['British Museum', 17],
    ['Bulletin et Annales de la Societe Entomologique de Belge', 13],
    ['Bulletin of the American Museum of Natural History', 27],
    ['European Journal of Taxonomy', 20],
    ['Journal of Hymenoptera Research', 12],
    ['Memoires de l\'Institut Francais d\'Afrique Noire', 15],
    ['Revue de Zoologie Africaine', 45],
    ['Revue de Zoologie et de Botanique Africaines', 14],
    ['Sociobiology', 15],
    ['ZooKeys', 34],
    ['Zoological Journal of the Linnean Society', 58],
    ['Zoosystema', 13],
    ['Zootaxa', 196],
    ['Other (27)', 76]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=625)',
    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);