function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anonymous, [NONE] & Lacépède, Bernard Germain Étienne de', 1],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Bennett, Edward Turner', 2],
    ['Bleeker, Pieter', 4],
    ['Bloch, Marcus Elieser & Schneider, J. G.', 5],
    ['Bonnaterre, Joseph Pierre', 1],
    ['Boulenger, George Albert', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 3],
    ['Cope, Edward Drinker', 3],
    ['Curtiss, A.', 2],
    ['Hollard, H. L. G. M.', 4],
    ['Linnaeus, Carolus', 9],
    ['Montrouzier, X.', 3],
    ['Rüppell, Wilhem Peter Eduard Simon', 3],
    ['Steindachner, F.', 2],
    ['Other (16)', 16]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=60)',
    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);