function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albano, Paolo G. & Bakker, Piet A. J. & Janssen, Ronald', 5],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 2],
    ['Dall, William Healey', 4],
    ['Hansen, Thomas', 6],
    ['Harzhauser, Mathias & Landau, Bernard & Janssen, Ronald', 4],
    ['Joh, Gyeongje', 2],
    ['Kantor, Yuri & Lozouet, Pierre & Puillandre, Nicolas', 5],
    ['Kantor, Yuri I. & Fedosov, Alexander & Puillandre, Nicolas', 2],
    ['Kilburn, Richard N. & Fedosov, Alexander E.', 36],
    ['Li, Bao Quan & Kilburn, Richard N. & Li, Xin Zheng', 3],
    ['Li, Baoquan & Li, Xinzheng', 24],
    ['Morassi, Mauro & Nappo, Andrea & Bonfitto, Antonio', 15],
    ['Röding, Peter Friedrich', 4],
    ['Stahlschmidt, Peter & Poppe, Guido & Tagaro, Sheila', 4],
    ['Todd, Jonathan A. & Rawlings, Timothy A.', 3],
    ['Other (9)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=131)',
    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);