function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barnett, Leonie J. & Miller, Terrence L. & Cribb, Thomas H.', 2],
    ['Brackett, Sterling', 2],
    ['Edwards, D. K. & Jansch, M. E.', 1],
    ['Erickson, Duane G. & Wallace, Franklin G.', 1],
    ['Faust, Ernest Carroll', 1],
    ['Komiya, Y.', 1],
    ['Krupenko, Darya & Gonchar, Anna & Kremnev, Georgii', 1],
    ['La Valette, St George Adolphus Joannes Hubertos', 1],
    ['Leigh, W. Henry', 1],
    ['Macfarlane, D. G. & Macy, R. W.', 1],
    ['Martin, W. E.', 1],
    ['Miller, Harry M.', 7],
    ['Miller, Harry M. & Northup, Flora E.', 4],
    ['Müller, Otto Friedrich', 8],
    ['Talbot, S. B.', 2],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=44)',
    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);