function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahmad, J.', 21],
    ['Bray, Rodney A. & Cribb, Thomas H.', 27],
    ['Bray, Rodney A. & Cribb, Thomas H. & Barker, Stephen C.', 10],
    ['Bray, Rodney A. & Cribb, Thomas H. & Justine, Jean-Lou', 14],
    ['Bray, Rodney A. & Cutmore, Scott C. & Cribb, Thomas H.', 8],
    ['Bray, Rodney A. & Gibson, David Ian', 8],
    ['Fischthal, Jacob H. & Thomas, J. D.', 8],
    ['Hafeezullah, M.', 7],
    ['Machida, Masaaki', 12],
    ['Manter, Harold W.', 30],
    ['McCauley, J. E.', 7],
    ['Nahhas, Fuad M. & Cable, Raymond M.', 8],
    ['Shen, J. - w.', 9],
    ['Wang, P. - q.', 8],
    ['Yamaguti, S.', 30],
    ['Other (134)', 255]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=462)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);