function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anales de la Sociedad Española de Historia Natural', 1],
    ['Anales de la Universidad de Chile, Memorias Cientificas y Literarias', 1],
    ['Annale van die Suid-Afrikaanse Museum [Annals of the South African Museum]', 10],
    ['Australian zoologist', 2],
    ['J. L. B. Smith Institute of Ichthyology Special Publication', 3],
    ['Natuurkunde Tijdschrift voor Nederlandsche-Indië', 2],
    ['Proceedings of the Linnean Society of New South Wales', 8],
    ['Proceedings of the Royal Society of Victoria.', 2],
    ['Proceedings of the Zoological Acclimatisation Society of Victoria', 5],
    ['Records of the South Australian Museum', 2],
    ['Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaften Classe', 4],
    ['Smithsonian Contributions to Zoology', 2],
    ['Stanford Ichthyological Bulletin', 3],
    ['Zoological Journal of the Linnean Society', 3],
    ['Zootaxa', 19],
    ['Other (22)', 22]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=89)',
    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);