function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin', 2],
    ['Bulletin of Marine Science', 2],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College', 2],
    ['Chinese Bioscience', 2],
    ['Copeia', 3],
    ['Cybium', 2],
    ['Fishery Bulletin', 13],
    ['Laurentius Salvius', 2],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 2],
    ['Proceedings of the California Academy of Sciences, Series 4', 2],
    ['The Journal of the College of Science, Imperial University of Tokyo', 2],
    ['Zoological Journal of the Linnean Society', 7],
    ['Zoological Studies', 3],
    ['Zoological journal of the Linnean Society', 3],
    ['Zootaxa', 21],
    ['Other (15)', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=85)',
    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);