function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bergh, R.', 2],
    ['Cuvier, Georges', 1],
    ['Gosliner, Terrence M. & Bertsch, Hans', 1],
    ['Korshunovа, Tаtiаnа & Fletcher, Kаrin & Lundin, Kennet', 4],
    ['Martynov, Alexander & Mehrotra, Rahul & Chavanich, Suchana', 4],
    ['Martynov, Alexander V. & Sanamyan, Nadya & Korshunova, Tatiana', 2],
    ['Mead, A. & Carlton, J. T. & Griffiths, C. L. & Rius, M.', 1],
    ['Miller, Michael Charles', 2],
    ['Odhner, Nils Hjalmar', 1],
    ['Picton, Bernard', 2],
    ['Tibiriçá, Yara & Pola, Marta & Cervera, Juan Lucas', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);