function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anthropozoologica', 8],
    ['Australian Journal of Marine and Freshwater Research', 1],
    ['Australian zoologist', 1],
    ['Beverley Tucker', 1],
    ['Biodiversity Data Journal', 2],
    ['Bulletin du Muséum National d’Histoire Naturelle, Série 2', 1],
    ['Bulletin of the United States Bureau of Fisheries', 1],
    ['Cybium', 4],
    ['European Journal of Taxonomy', 24],
    ['Journal of Natural History', 9],
    ['Laurentius Salvius', 9],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 3],
    ['Proceedings of the Linnean Society of New South Wales', 2],
    ['Suisan Gakkai Ho', 4],
    ['Zootaxa', 61],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=141)',
    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);