function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alcock, Alfred William', 1],
    ['Baron-Szabo, Rosemarie C.', 3],
    ['Buyck, Bart & Hofstetter, Valerie & Ryoo, Rhim & Ka, Kang-Hyeon', 3],
    ['Buyck, Bart & W. Henkel, Terry & Hofstetter, Valerie', 4],
    ['Fassbender, Nico & Stefanoudis, Paris V', 3],
    ['Hoeksema, Bert W.', 4],
    ['Hoeksema, Bert W. & Lane, David J. W.', 39],
    ['Lamarck, J. B. P. A. de M. de', 4],
    ['Lane, David J. W. & Hoeksema, Bert W.', 2],
    ['Mondal, Tamal & Raghunathan, C.', 1],
    ['Montoya, Leticia & Herrera, Mariana & Bandala, Victor M.', 4],
    ['Quoy, J. R. C. & Gaimard, J. P.', 1],
    ['Studer, T.', 4],
    ['Wells, John W.', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=76)',
    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);