function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andreone, F. & Glaw, F. & Nussbaum, R. A. & Raxworthy, C. J.', 2],
    ['Andreone, Franco & Nussbaum, Ronald A.', 2],
    ['Bora, Parfait & Ramilijaona, Olga & Raminosoa, Noromalala', 1],
    ['Glaw, Frank & Vences, Miguel & Gossmann, Viola', 1],
    ['Grosjean, Stéphane & STRAUss, Axel & Glos, Julian', 12],
    ['Knoll, Angelika & Köhler, Jörn & Glaw, Frank & Teschke, Meike', 3],
    ['Rancilhac, Loïs & Bruy, Teddy & Scherz, Mark D.', 3],
    ['Scherz, Mark D. & Crottini, Angelica & Hutter, Carl R.', 47],
    ['Schmidt, Heike & Glaw, Frank & Teschke, Meike & Vences, Miguel', 5],
    ['Vences, Miguel & Hildenbrand, Andrea & Warmuth, Katharina M.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=77)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);