function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 7],
    ['Annalen des Naturhistorischen Museums in Wien', 7],
    ['Annales de la Societe Entomologique de Belgique', 31],
    ['Annales de la Société Entomologique de France', 19],
    ['Berliner Entomologische Zeitschrift', 7],
    ['Biodiversity Data Journal', 229],
    ['Bulletin of the American Museum of Natural History', 40],
    ['Check List', 8],
    ['Current Biology', 18],
    ['Journal of Hymenoptera Research', 447],
    ['Memoires de l\'Institut Francais d\'Afrique Noire', 20],
    ['Mitteilungen der Schweizerischen Entomologischen Gesellschaft', 10],
    ['Voyage de Ch. Alluaud et R. Jeannel en Afrique Orientale (1911 - 1912). Résultats scientifiques. Hyménoptères', 13],
    ['ZooKeys', 2706],
    ['Zootaxa', 121],
    ['Other (40)', 129]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=3812)',
    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);