function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bulletin of the British Museum (Natural History), Zoology Series', 1],
    ['Contributions in Science of the Natural History Museum of Los Angeles County', 1],
    ['Copeia', 1],
    ['Fieldiana Zoology, New Series', 1],
    ['Japanese Journal of Ichthyology', 1],
    ['Marine Biodiversity', 1],
    ['Memoirs of the Carnegie Museum', 1],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 1],
    ['Rep. Inst. Fish. Biol., Taipei', 1],
    ['Senckenbergiana Biologica', 1],
    ['Tropical Fish Hobbyist', 1],
    ['Zoological Studies', 1],
    ['Zootaxa', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=21)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);