function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bigelow, H. B. & Schroeder, W. C.', 5],
    ['Bloch, Marcus Elieser & Schneider, J. G.', 4],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 8],
    ['David A. Ebert & Chante D. Davis', 4],
    ['Ebert, David A. & Davis, Chante D.', 4],
    ['Forsskål, Peter', 8],
    ['Garman, S.', 10],
    ['Gordon, Cat A. & Hood, Ali R. & Ellis, Jim R.', 5],
    ['Günther, Albert Charles Lewis Gotthilf', 5],
    ['Hulley, P. A.', 5],
    ['Ishiyama, R.', 5],
    ['Lesueur, Charles Alexandre', 4],
    ['Linnaeus, Carolus', 11],
    ['Müller, J. & Henle, F. G. J.', 10],
    ['Norman, J. R.', 6],
    ['Other (71)', 105]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=199)',
    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);