function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bartoli, Pierre & Bray, Rodney A.', 2],
    ['Bray, Rodney A. & Cribb, Thomas H.', 10],
    ['Bray, Rodney A. & Justine, Jean-Lou', 3],
    ['Fischthal, Jacob H. & Thomas, J. D.', 2],
    ['Fischthal, Jacob H. & Williams, Modupe O.', 2],
    ['Gupta, V. & Ahmad, J.', 3],
    ['Gupta, V. & Puri, M.', 3],
    ['Hafeezullah, M.', 2],
    ['Liu, Sheng-fa', 2],
    ['Madhavi, R.', 5],
    ['Manter, Harold W.', 9],
    ['Nagaty, H. F.', 2],
    ['Parukhin, A M', 4],
    ['Reimer, Lothar W.', 3],
    ['Yamaguti, S.', 8],
    ['Other (30)', 33]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=93)',
    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);