function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abdinbekova, Arifa & Huseynova, Ellada & Kerimova, Ilhama', 1],
    ['Abdoli, Parisa & Talebi, Ali Asghar & Farahani, Samira', 5],
    ['Beyarslan, A. & Yurtcan, M. & Çetin, Ö. & Aydogdu, M.', 1],
    ['Broad, Gavin R. & Shaw, Mark R. & Godfray, H. Charles J.', 14],
    ['Fagan-Jeffries, Erinn P. & Austin, Andrew D.', 2],
    ['Fagan-Jeffries, Erinn P. & Cooper, Steven J. B.', 4],
    ['Fernandez-Triana, J. L.', 1],
    ['Fernandez-Triana, Jose & Boudreault, Caroline & Buffam, Joel', 5],
    ['Ghahari, H. & Fischer, M. & Sakenin, H. & Imani, S.', 1],
    ['Hoecherl, Amelie & Shaw, Mark R. & Boudreault, Caroline', 2],
    ['Mifsud, David & Farrugia, Lucia & Shaw, Mark R.', 2],
    ['Moghaddam, Mostafa Ghafouri & Rakhshani, Ehsan', 6],
    ['Plecas, Milan & Zikic, Vladimir & Kocic, Korana', 1],
    ['Song, Sheng-Nan & He, Jun-Hua & Chen, Xue-Xin', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=47)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);