function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 1],
    ['Aqua, Journal of Ichthyology and Aquatic Biology', 1],
    ['Arquivos do Museu Nacional Rio de Janeiro', 1],
    ['Australian zoologist', 3],
    ['Bol. Inst. Oceanogr. S. Paulo', 2],
    ['European Journal of Taxonomy', 4],
    ['Ichthyological Bulletin of the J. L. B. Smith Institute of Ichthyology', 2],
    ['Laurentius Salvius', 2],
    ['Memoirs of the Queensland Museum', 2],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 2],
    ['Proceedings of the Linnean Society of New South Wales', 4],
    ['Proceedings of the United States National Museum, 3', 3],
    ['Records of the Australian Museum', 3],
    ['Records of the Western Australian Museum', 5],
    ['Zootaxa', 31],
    ['Other (11)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=77)',
    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);