function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baird, Andrew H. & Hoogenboom, Mia O. & Huang, Danwei', 2],
    ['Baron-Szabo, Rosemarie C.', 3],
    ['Bouwmeester, Jessica & Benzoni, Francesca & Baird, Andrew H.', 2],
    ['Chaix, Christian & Martin, Jean-Paul Saint', 6],
    ['Fassbender, Nico & Stefanoudis, Paris V', 7],
    ['Huang, Danwei & Arrigoni, Roberto & Benzoni, Francesca', 1],
    ['Huang, Danwei & Benzoni, Francesca & Fukami, Hironobu', 23],
    ['Korzhavina, Oksana A. & Hoeksema, Bert W.', 1],
    ['Lamarck, J. B. P. A. de M. de', 1],
    ['Löser, Hannes', 1],
    ['Samiei, Jahangir Vajed & Dab, Koosha & Ghezellou, Parviz', 3],
    ['Verrill, Addison Emery', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=52)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);