function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Nelson, Leigh A. & Scheffer, Sonja J. & Yeates, David K.', 4],
    ['Purcell, Michaela F. & Nelson, Leigh A. & Thornhill, Andrew H.', 2],
    ['Taylor, Gary S. & Davies, Kerrie A.', 2],
    ['Taylor, Gary S. & Davies, Kerrie A. & Martin, Nicholas A.', 1],
    ['Taylor, Gary S. & Hyder, Brittany K. & Davies, Kerrie A.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=11)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 5, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);