function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Adams, Henry', 3],
    ['Breure, Abraham S. H.', 45],
    ['Breure, Abraham S. H. & Ablett, Jonathan D.', 42],
    ['Breure, Abraham S. H. & Tardy, Emmanuel', 50],
    ['Breure, Abraham S. H. & Whisson, Corey S.', 3],
    ['Brook, Fred J. & Ablett, Jonathan D.', 89],
    ['Cowie, Robert H.', 3],
    ['Cowie, Robert H. & Héros, Virginie & Yeung, Norine W.', 9],
    ['Draparnaud, Jacques Philippe Raymond', 7],
    ['Fasulo, Giuseppe & Duraccio, Sergio & Federico, Antonio', 8],
    ['Geiger, Daniel L.', 3],
    ['Linnaeus, Carolus', 53],
    ['Müller, Otto Friedrich', 23],
    ['Pfeiffer, L.', 10],
    ['Sowerby II, George Brettingham', 5],
    ['Other (24)', 31]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=384)',
    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);