function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zoologica Taiwanica', 6],
    ['Aqua, Journal of Ichthyology and Aquatic Biology', 7],
    ['Bulletin of Marine Science', 3],
    ['Israel Journal of Zoology', 4],
    ['Journal of Natural History', 8],
    ['Journal of the Ocean Science Foundation', 5],
    ['Journal of the Royal Society of New Zealand', 6],
    ['National Museum of New Zealand records', 3],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 6],
    ['Revue française d\'Aquariologie Herpétologie', 12],
    ['Smithiana, Publications in Aquatic Biodiversity', 4],
    ['Species Diversity', 6],
    ['Theses Zoologicae', 17],
    ['ZooKeys', 6],
    ['Zootaxa', 64],
    ['Other (38)', 51]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=208)',
    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);