function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Blache, J. & Miton, F.', 1],
    ['Boulenger, George Albert', 16],
    ['Daget, J.', 2],
    ['Duméril, Auguste Henri André', 5],
    ['Dunz, Andreas R. & Schliewen, Ulrich K.', 5],
    ['Fowler, Henry Weed', 2],
    ['Gilchrist, J. D. F. & Thompson, W. Wardlaw', 6],
    ['Hilgendorf, F. M.', 1],
    ['Holly, M.', 2],
    ['Lowe, R. H.', 4],
    ['Pellegrin, J.', 8],
    ['Poll, M.', 2],
    ['Stiassny, Melanie L. J. & Schliewen, Uli K. & Dominey, W. J.', 2],
    ['Thys van den Audenaerde, D. F. E.', 8],
    ['Trewavas, E.', 5],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=78)',
    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);