function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Ichthyologica et Piscatoria', 2],
    ['Bulletin of the Scripps Institution of Oceanography of the University of California', 2],
    ['Cybium', 3],
    ['Discovery Reports', 2],
    ['European Journal of Taxonomy', 3],
    ['Journal Imp. Fish. Inst. Tokyo', 4],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 5],
    ['Proceedings of the California Academy of Sciences, Series 1', 3],
    ['Proceedings of the United States National Museum, 3', 12],
    ['Proceedings of the Zoological Society of London, B', 2],
    ['Report of the British Association for the Advancement of Science', 2],
    ['Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin', 5],
    ['The Pacific', 3],
    ['Voprosy Ikhtiologii', 2],
    ['Zootaxa', 97],
    ['Other (29)', 29]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=176)',
    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);