function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ayres, W. O.', 1],
    ['Bean, T. H.', 1],
    ['Borets, L. A.', 1],
    ['Evermann, Barton Warren & Goldsborough, E. L.', 1],
    ['Gilbert, Charles H.', 1],
    ['Gill, T. N.', 2],
    ['Jordan, David Starr & Gilbert, Charles H.', 1],
    ['Koeda, Keita & Muto, Nozomu', 1],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 1],
    ['Lockington, W. N.', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 9],
    ['Lowe, R. T.', 1],
    ['Schultz, Leonard P.', 1],
    ['Storer, H. R.', 2],
    ['Wood, W. W.', 2],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=30)',
    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);