function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahyong Kumejima, Shane T.', 3],
    ['Ahyong, Shane T.', 14],
    ['Ahyong, Shane T. & Kumar, Appukuttannair Biju', 12],
    ['Ahyong, Shane T. & Wassenberg, Theodore J.', 1],
    ['Almeida, Alexandre Oliveira De & Guerrazzi, Maria Cec Lia', 2],
    ['Bento, Rodrigo Tadeu & Dall´Occo, Paola Lupianhes', 4],
    ['Brokensha, Rouane & Landschoff, Jannes & Griffiths, Charles', 2],
    ['Feller, Kathryn D. & Cronin, Thomas W. & Ahyong, Shane T.', 2],
    ['Koulouri, Panayota & Gerovasileiou, Vasilis & Bailly, Nicolas', 4],
    ['Lucatelli, Débora', 1],
    ['Müller, O. F.', 1],
    ['Perez-Gelabert, Daniel E.', 1],
    ['Scopoli, Giovanni Antonio', 1],
    ['Van Der Wal, Cara & Ahyong, Shane T.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=50)',
    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);