function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['B. Whgite & fils', 1],
    ['Biodiversity Data Journal', 228],
    ['Bishop Museum Press and E. J. Brill', 2],
    ['Bulletin of Entomological Research', 9],
    ['C. Fritsch', 1],
    ['Can Ent', 1],
    ['Carolum Reichard', 1],
    ['Contributions to Zoology', 5],
    ['Eberhard Klett et Franck', 1],
    ['European Mosqito Bulletin', 6],
    ['Journal of Natural History', 6],
    ['Laurentius Salvius', 7],
    ['Zoosystematica Rossica', 4],
    ['Zootaxa', 273],
    ['Zweyter Theil, enthält Beschreibungen verschiedener wichtiger Naturalien', 2],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=557)',
    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);