function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arthur, W.', 1],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Bonnaterre, Joseph Pierre', 1],
    ['Brünnich, M. T.', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 1],
    ['Cuvier, Georges & Valenciennes, A.', 1],
    ['Golani, Daniel', 1],
    ['Linnaeus, Carolus', 5],
    ['Lowe, R. T.', 2],
    ['Mitchill, S. L.', 1],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 1],
    ['Shaw, George & Nodder, Frederick Polydore', 1],
    ['Storer, D. H.', 1],
    ['Walbaum, J. J.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=19)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);