function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zoologica Academiae Scientiarum Hungaricae', 62],
    ['African Invertebrates', 279],
    ['Biodiversity Data Journal', 1898],
    ['Bulletin of the National Science Museum, Series A (Zoology)', 91],
    ['Ecologica Montenegrina', 49],
    ['European Journal of Taxonomy', 293],
    ['Journal of Natural History', 640],
    ['Raffles Bulletin of Zoology', 94],
    ['Records of the Australian Museum', 142],
    ['Report on the Scientific Results of the Voyage of H. M. S. Challenger During the Years 1873 – 76, Zoology', 120],
    ['Species Diversity', 89],
    ['ZooKeys', 1111],
    ['Zoological Journal of the Linnean Society', 246],
    ['Zoosystema', 285],
    ['Zootaxa', 8052],
    ['Other (172)', 646]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=14097)',
    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);