function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alcock, Alfred William', 1],
    ['Borodin, N. A.', 1],
    ['Cocco, A.', 3],
    ['Facciolà, L.', 3],
    ['Gilbert, Charles H.', 1],
    ['Goode, G. B. & Bean, T. H.', 3],
    ['Günther, Albert Charles Lewis Gotthilf', 7],
    ['Johnson, J. Y.', 3],
    ['Jordan, David Starr & Evermann, Barton Warren', 1],
    ['Lowe, R. T.', 2],
    ['Lütken, Christian Frederik', 5],
    ['Moreau, E.', 1],
    ['Peters, Wilhelm Carl Hartwig', 1],
    ['Steindachner, F.', 2],
    ['Waite, E. R.', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=38)',
    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);