function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annals of the South African Museum\'', 1],
    ['Annotationes Zoologicae Japonenses', 1],
    ['Archiv for zoologi', 1],
    ['Bulletin -- United States National Museum', 1],
    ['Bulletin of Marine Science', 2],
    ['Bulletin of the United States Bureau of Fisheries', 1],
    ['Crustaceana', 2],
    ['European Journal of Taxonomy', 1],
    ['Memoirs of the College of Science, Kyoto Imperial University, B', 2],
    ['Publications of the Seto Marine Biological Laboratory', 3],
    ['The Raffles Bulletin of Zoology, Supplement', 2],
    ['Videnskabelige Meddelelser fra Dansk Naturhistoriske Forening i Kjøbenhavn', 4],
    ['Zoosystema', 3],
    ['Zoosystematics and Evolution', 6],
    ['Zootaxa', 3],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=43)',
    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);