function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bulletin of Marine Science', 1],
    ['Current Science', 1],
    ['Cybium', 1],
    ['Israel Journal of Zoology', 1],
    ['Journal of the Marine Biological Association of India', 1],
    ['Journal of the Tokyo University of Fisheries', 1],
    ['Journal of the Zoological Society of India', 2],
    ['Mahasagar -- Bulletin of the National Institute of Oceanography', 1],
    ['Notes from the Leyden Museum', 1],
    ['Proceedings of the Biological Society of Washington', 3],
    ['Proefschrift', 1],
    ['Publications of the Field Museum of Natural History, Zoölogical', 1],
    ['Temminckia, Leiden', 1],
    ['Zootaxa', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=30)',
    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);