function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Palaeontologica Polonica', 8],
    ['Biodiversity Data Journal', 112],
    ['Bulletin of the National Science Museum, Series A (Zoology)', 3],
    ['European Journal of Taxonomy', 25],
    ['Geodiversitas', 6],
    ['Journal of Natural History', 3],
    ['Laurentius Salvius', 15],
    ['Naturhistorisk Tidsskrift, Series 3', 2],
    ['Papéis Avulsos de Zoologia', 9],
    ['Proceedings of the Japanese Society of Systematic Zoology', 6],
    ['Records of the Australian Museum', 4],
    ['Report on the Scientific Results of the Voyage of H. M. S. Challenger During the Years 1873 – 76, Zoology', 12],
    ['ZooKeys', 23],
    ['Zoosystema', 2],
    ['Zootaxa', 381],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=617)',
    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);