function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bigelow, H. B. & Schroeder, W. C.', 10],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 18],
    ['David A. Ebert & Chante D. Davis', 7],
    ['Ebert, David A. & Wintner, Sabine P. & Kyne, Peter M.', 31],
    ['Gordon, Cat A. & Hood, Ali R. & Ellis, Jim R.', 10],
    ['Ishiyama, R.', 8],
    ['Jones, Christian M. & Driggers Iii, William B.', 17],
    ['Kottelat, Maurice', 11],
    ['Linnaeus, Carolus', 11],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 7],
    ['M. A. Treloar & L. J. B. Laurenson & J. D. Stevens', 11],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 7],
    ['Simian, Gaëlle & Abraham, Daniel & Bailly, Nicolas', 6],
    ['Stehmann, M.', 8],
    ['White, William T. & Ko’Ou, Alfred', 7],
    ['Other (78)', 124]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=293)',
    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);