function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Benson, Robert B.', 2],
    ['Blank, Stephan M. & Taeger, Andreas & Liston, Andrew D.', 6],
    ['Fallén, Carl Fredrik', 2],
    ['Linnaeus, Carolus', 45],
    ['Liston, A. D. & Knight, G. T. & Heibo, E. & Bland, K. P.', 4],
    ['Liston, Andrew & Altenhofer, Ewald & Netzberger, Romana', 2],
    ['Liston, Andrew D. & Knight, Guy T. & Sheppard, David A.', 62],
    ['Liu, Mengmeng & Li, Zejian & Wei, Meicai', 3],
    ['Schedl, W.', 59],
    ['Schedl, Wolfgang', 37],
    ['Scopoli, G. A.', 3],
    ['Shinohara, Akihiko', 5],
    ['Taeger, Andreas', 30],
    ['Taeger, Andreas & París, Mercedes & Nieves-Aldrey, Jose Luis', 21],
    ['Xiao, Wei & Niu, Gengyun & Wei, Meicai', 4],
    ['Other (12)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=300)',
    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);