function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akademiia Nauk SSSR, Trudy P. P. Shirshov Instytut Okeanologii', 1],
    ['Bulletin of Marine Science', 1],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College, 3', 5],
    ['Copeia', 2],
    ['Cybium', 6],
    ['European Journal of Taxonomy', 3],
    ['Forhandlingar i Videnskabsselskabet i Kristiania', 1],
    ['Investigative Reports of the Oceanographic Research Institute Durban', 1],
    ['Journal of Zoology, London', 1],
    ['Journal of the Ocean Science Foundation', 1],
    ['Raffles Bulletin of Zoology', 2],
    ['Stuttgarter Beiträge zur Naturkunde Serie A, Serie A (Biologie)', 1],
    ['Zoologicheskii Zhurnal', 1],
    ['Zootaxa', 40]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=66)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);