function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bleeker, Pieter', 2],
    ['Gilchrist, J. D. F. & Thompson, W. Wardlaw', 10],
    ['Golani, Daniel', 2],
    ['Hoese, Douglass F. & Hay, Amanda & Dibattista, Joseph D.', 7],
    ['Holleman, Wouter & Heyden, Sophie Von Der & Zsilavecz, Guido', 3],
    ['Hubbs, Clark', 3],
    ['Kner, R. & Steindachner, F.', 2],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 4],
    ['Lucas, A. H. S.', 2],
    ['Macleay, William John', 2],
    ['McCulloch, Alan Riverstone & Waite, E. R.', 2],
    ['Ogilby, J. D.', 4],
    ['Smith, J. L. B.', 2],
    ['Steindachner, F.', 4],
    ['de Laporte Castelnau La Ferté-Sénectère, Francis L.', 6],
    ['Other (34)', 34]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=89)',
    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);