function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abdinbekova, Arifa & Huseynova, Ellada & Kerimova, Ilhama', 5],
    ['Achterberg, C. van & Hosaka, T. & Ng, Y. F. & Ghani, Idris B. A.', 1],
    ['Aydogdu, M. & Beyarslan, A.', 1],
    ['Braet, Yves & Rousse, Pascal & Sharkey, Michael', 2],
    ['Broad, Gavin R. & Shaw, Mark R. & Godfray, H. Charles J.', 36],
    ['Edmardash, Yusuf Abd-Elaziz & Abdel-Dayem, Mahmoud Saleh', 2],
    ['Fujie, Shunpei & Maeto, Kaoru', 1],
    ['Ghahari, H. & Fischer, M. & K. J & O. C & Beyarslan, A.', 1],
    ['Kittel, Rebecca N. & Austin, Andrew D.', 5],
    ['Madl, M. & Achterberg, C. Van', 5],
    ['Mazhar, Alireza Rajabi & Goldasteh, Shila & Farahani, Samira', 2],
    ['N. S & Ghahari, H. & W, Ascogaster & P, Chelonus', 5],
    ['Sakenin Chelav, H. & Coronado-Blanco, J. M. & Samin, N.', 2],
    ['Scaramozzino, Pier Luigi & Loni, Augusto & Lucchi, Andrea', 2],
    ['Sharkey, Michael J. & Janzen, Daniel H. & Hallwachs, Winnie', 6],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=78)',
    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);