function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Broad, Gavin R. & Livermore, Laurence', 4],
    ['Chen, Hua-yan & Turrisi, Giuseppe Fabrizio & Xu, Zai-fu', 6],
    ['Jennings, John T. & Austin, Andrew D.', 4],
    ['Jennings, John T. & Parslow, Ben A. & Austin, Andrew D.', 63],
    ['Kumar, P. Girish & Smith, David R. & Binoy, C.', 1],
    ['Kuroda, Keita & Kikuchi, Namiki & Konishi, Kazuhiko', 2],
    ['Ramage, Thibault & Jouault, Corentin', 3],
    ['Smith, David R.', 16],
    ['Turrisi, Giuseppe Fabrizio & Konishi, Kazuhiko', 1],
    ['Turrisi, Giuseppe Fabrizio & Smith, David R.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=101)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);