function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bagnall, Richard Siddoway', 1],
    ['Elie, Ntirenganya & Yajin, Li & Yanlan, Xie & Yanli, Zhou', 1],
    ['Hoddle, Mark S. & Mound, Laurence A.', 23],
    ['Masumoto, Masami & Okajima, Shûji', 7],
    ['Minaei, Kambiz & Mound, Laurence', 5],
    ['Mirab-balou, M.', 4],
    ['Moulton, Dudley', 2],
    ['Mound, L. A.', 2],
    ['Mound, Laurence A. & Stiller, Michael', 16],
    ['Mound, Laurence A. & Wells, Alice', 5],
    ['NG, Y. F. & AIN, N. & RAFTI, N. S. & LAU, K. H.', 2],
    ['Ng, Y. F. & Mound, L. A. & Azidah, A. A.', 7],
    ['Pal, Shash & Patidar, Abhishek & Panjaliya, Rakesh Kumar', 2],
    ['Rasool, Iftekhar & Alattal, Yehya Zaki & Aldhafer, Hathal M.', 7],
    ['Y. F. Ng & L. A. Mound', 2],
    ['Other (7)', 7]
  ]);
  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);