function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahmad, J.', 20],
    ['Ahmad, J. & Gupta, V.', 5],
    ['Dove, A. D. M. & Cribb, Thomas H.', 4],
    ['Fischthal, Jacob H.', 4],
    ['Fischthal, Jacob H. & Thomas, J. D.', 6],
    ['Machida, Masaaki', 8],
    ['Madhavi, R.', 12],
    ['Manter, Harold W.', 11],
    ['McNamara, M. K. A. & Adlard, Robert D. & Bray, Rodney A.', 8],
    ['McNamara, M. K. A. & Cribb, Thomas H.', 6],
    ['Nahhas, Fuad M. & Cable, Raymond M.', 9],
    ['Overstreet, Robin M.', 5],
    ['Shen, J. - w.', 5],
    ['Thomas, J. D.', 6],
    ['Yamaguti, S.', 19],
    ['Other (105)', 154]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=282)',
    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);