function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bariche, Michel & Fricke, Ronald', 2],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 8],
    ['Carnevale, Giorgio & Harzhauser, Mathias & Schultz, Ortwin', 2],
    ['Cope, Edward Drinker', 2],
    ['Golani, Daniel', 2],
    ['Goode, G. B. & Bean, T. H.', 7],
    ['Goren, Menachem & Galil, Bella S.', 2],
    ['Günther, Albert C. L. G.', 2],
    ['Linnaeus, Carolus', 18],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 6],
    ['Mitchill, S. L.', 6],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 4],
    ['Risso, A.', 4],
    ['Simian, Gaëlle & Abraham, Daniel & Bailly, Nicolas', 5],
    ['Walbaum, J. J.', 8],
    ['Other (23)', 25]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=103)',
    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);