function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 8],
    ['Anartia', 7],
    ['Biodiversity Data Journal', 7],
    ['Bulletin of the National Science Museum, Series A (Zoology)', 7],
    ['Japanese Journal of Systematic Entomology', 15],
    ['Japanese Journal of systematic Entomology, Monographic series', 63],
    ['Japanese journal of systematic entomology', 8],
    ['Journal of Parasitology', 7],
    ['Journal of arachnology', 12],
    ['PeerJ', 11],
    ['Report on the Scientific Results of the Voyage of H. M. S. Challenger During the Years 1873 – 76, Zoology', 39],
    ['Systematic Entomology', 14],
    ['Systematic Parasitology', 9],
    ['Tijdschrift voor Entomologie', 37],
    ['ZooKeys', 23],
    ['Other (131)', 227]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=494)',
    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);