function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abdinbekova, Arifa & Huseynova, Ellada & Kerimova, Ilhama', 4],
    ['Beyarslan, A. & Yurtcan, M. & Çetin, Ö. & Aydogdu, M.', 1],
    ['Beyarslan, Ahmet', 7],
    ['Broad, Gavin R. & Shaw, Mark R. & Godfray, H. Charles J.', 32],
    ['Edmardash, Yusuf A. & Abu El-Ghiet, Usama M.', 1],
    ['Fullaway, D. T.', 1],
    ['Ghahari, H. & Fischer, M. & K. J & O. C & Beyarslan, A.', 1],
    ['Madl, M. & Achterberg, C. Van', 9],
    ['Madl, Michael', 1],
    ['Nixon, G. E. J.', 1],
    ['Rohwer, Sievert Allen', 1],
    ['Sharkey, Michael J. & Baker, Austin & McCluskey, Kathryn', 1],
    ['Sharkey, Michael J. & Janzen, Daniel H. & Hallwachs, Winnie', 21],
    ['Song, Li-Wen & Cao, Liang-Ming & Li, Xing-Peng & Yang, Zhong-Qi', 1],
    ['Verheyde, Fons & Jacobs, JEffrEY & Dekoninck, WOUTEr', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=83)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);