function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 1],
    ['Blake, Joseph (Rev.)', 1],
    ['Jirapatrasilp, Parin & Cuny, Gilles & Kocsis, László', 4],
    ['Lam, Katherine & Morton, Brian & Leung, K. F.', 2],
    ['Linnaeus, Carolus', 16],
    ['Lutaenko, K. A. & Artemieva, N. G.', 4],
    ['Makiyama, Jirô', 3],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 2],
    ['Negri, Mauro Pietro & Corselli, Cesare', 3],
    ['Oliver, P. Graham & Holmes, Anna', 5],
    ['Oliver, P. Graham & Holmes, Anna & Killeen, Ian & Light, Janice', 11],
    ['Raines, Bret & Huber, Markus', 6],
    ['Sayenko, Elena M. & Lutaenko, Konstantin A.', 2],
    ['Smith, Edgar A.', 8],
    ['Tudu, Prasad Chandra & Yennawar, Prasanna & Mohapatra, Anil', 14],
    ['Other (15)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=97)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);