function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aspects of Nonmarine Cretaceous Geology', 3],
    ['Bulletin of the American Museum of Natural History', 9],
    ['Cretaceous Research', 2],
    ['Evolutionary Biology', 5],
    ['Journal of Vertebrate Paleontology', 8],
    ['Nature', 5],
    ['PLoS ONE', 3],
    ['Predatory Dinosaurs of the World', 4],
    ['Proceedings of the Royal Society, Series B', 4],
    ['Science', 6],
    ['Scientific Reports', 4],
    ['The Anatomical Record', 3],
    ['The Dinosauria', 3],
    ['Tyrannosaurus rex, the tyrant king', 7],
    ['Zoological Journal of the Linnean Society', 4],
    ['Other (30)', 38]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=108)',
    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);