function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Arachnologica', 46],
    ['Biodiversity Data Journal', 152],
    ['Caucasian Entomological Bulletin', 18],
    ['Evolutionary Systematics', 64],
    ['Far Eastern Entomologist', 15],
    ['Laurentius Salvius', 40],
    ['Literis Laur. Salvii', 66],
    ['Mitteilungen aus dem Zoologischen Museum in Berlin', 12],
    ['Raffles Bulletin of Zoology', 13],
    ['Records of the Australian Museum', 15],
    ['State Fauna Series 4 Fauna of Meghalaya Part 2', 27],
    ['ZooKeys', 209],
    ['Zoological Journal of the Linnean Society', 33],
    ['Zoosystema', 49],
    ['Zootaxa', 197],
    ['Other (28)', 86]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1042)',
    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);