function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baker, Andrew M & Mutton, Thomas Y & Dyck, Steve Van', 3],
    ['Baker, Andrew M & Mutton, Thomas Y & Hines, Harry B', 16],
    ['Baker, Andrew M & Mutton, Thomas Y & Mason, E. D. & Gray, E. L.', 1],
    ['Baker, Andrew M. & Dyck, Steve Van', 40],
    ['Colin P. Groves', 11],
    ['Dyck, Steve Van', 30],
    ['Higgins, E. T. & Petterd, W. F.', 1],
    ['Jackson, Stephen M. & Jansen, Justin J. F. J.', 1],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 15],
    ['Parnaby, Harry & Gill, Anthony C.', 1],
    ['Parnaby, Harry E. & Ingleby, Sandy & Divljan, Anja', 5],
    ['Russell A. Mittermeier & Don E. Wilson', 12],
    ['Thomas, Oldfield', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=149)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);