function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cope, Edward Drinker', 3],
    ['Eigenmann, C. H. & Allen, W. R.', 3],
    ['Fowler, Henry Weed', 1],
    ['Garman, S.', 2],
    ['Lauzanne, L.', 3],
    ['Paepke, H. - J. & Seegers, Lothar', 4],
    ['Parenti, Lynne R.', 8],
    ['Paul V. Loiselle', 1],
    ['Pellegrin, J.', 1],
    ['Philippi, R. A.', 1],
    ['Tchernavin, V. V.', 7],
    ['Vila, I. & Pinto, M.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=35)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);