function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Arachnologica', 11],
    ['African Invertebrates', 4],
    ['Biodiversity Data Journal', 15],
    ['Bulletin of the National Science Museum, Series A (Zoology)', 1],
    ['Caucasian Entomological Bulletin', 1],
    ['Far Eastern Entomologist', 3],
    ['Fauna of New Zealand', 1],
    ['Raffles Bulletin of Zoology', 3],
    ['VERLAG VON LEOPOLD VOSS, BUCHHAENDLER D. K. ACADEHIE D. WISSENSCHAFTEN ZU ST. PETERSBURG', 1],
    ['Veröffentlichungen des Tiroler Landesmuseums Ferdinandeum', 1],
    ['ZooKeys', 10],
    ['Zoological Systematics', 2],
    ['Zoosystema', 3],
    ['Zootaxa', 97]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=153)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);