function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Bleeker, Pieter', 13],
    ['Borsa, P. & Collet, A. & Durand, J. - D.', 1],
    ['Boulenger, George Albert', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 1],
    ['Chaudhuri, B. L.', 2],
    ['Cope, Edward Drinker', 1],
    ['Girard, Charles Frédéric', 5],
    ['Günther, Albert Charles Lewis Gotthilf', 2],
    ['Jordan, David Starr & Seale, A.', 2],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 2],
    ['Marini, T. L.', 2],
    ['Spix, J. B. von & Agassiz, Jean Louis Rodolphe', 5],
    ['Steindachner, F.', 2],
    ['de Laporte Castelnau La Ferté-Sénectère, Francis L.', 2],
    ['Other (17)', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=59)',
    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);