function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Palaeontologica Polonica', 4],
    ['Ameghiniana', 1],
    ['American Museum Novitates', 17],
    ['Bulletin of the American Museum of Natural History', 6],
    ['Bulletin of the Florida Museum of Natural History', 2],
    ['Geodiversitas', 3],
    ['Journal of Vertebrate Paleontology', 1],
    ['Zoological Journal of the Linnean Society', 13],
    ['Zootaxa', 46]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=93)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);