function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beyarslan, A. & Yurtcan, M. & Çetin, Ö. & Aydogdu, M.', 1],
    ['Broad, Gavin R. & Shaw, Mark R. & Godfray, H. Charles J.', 4],
    ['Fernandez-Triana, Jose L. & Cardinal, Sophie', 5],
    ['Fernandez-Triana, Jose L. & Whitfield, James B.', 1],
    ['Jahn, Regine & Kusber, Wolf-Henning & Cocquyt, Christine', 60],
    ['Madl, Michael', 1],
    ['Mifsud, David & Farrugia, Lucia & Shaw, Mark R.', 1],
    ['Sala, Silvia E. & Guerrero, José M. & Avellaneda, Marcela Núñez', 2],
    ['Zargar, Mohammad & Gupta, Ankita & Talebi, Asghar', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=82)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);