function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anwar, Prince Tarique & Zeya, Shahid Bin & Huber, John T.', 4],
    ['Dale-Skey, Natalie & Askew, Richard R. & Noyes, John S.', 34],
    ['Guzmán-Larralde, Adriana J. & Huber, John T.', 3],
    ['Huber, John T.', 2],
    ['Huber, John T. & Bolte, Klaus & Read, Jennifer D.', 2],
    ['Huber, John T. & Read, Jennifer D. & Triapitsyn, Serguei V.', 30],
    ['Huber, John T. & Thuróczy, Csaba', 2],
    ['Huber, John T. & Triapitsyn, Serguei V.', 2],
    ['Manickavasagam, Sagadai & Triapitsyn, Serguei V.', 1],
    ['Plecas, Milan & Zikic, Vladimir & Kocic, Korana', 1],
    ['Samková, Alena & Janšta, Petr & Huber, John T.', 2],
    ['Triapitsyn, S. V.', 16],
    ['Triapitsyn, Serguei V. & Koponen, Martti & Vikberg, Veli', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=104)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);