function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abo-Shnaf, Reham I. A. & De, Gilberto J.', 20],
    ['El-Banhawy, E. M. & Knapp, M.', 29],
    ['Fang, Xiao-Duan & Li, Jun & Wu, Wei-Nan', 7],
    ['Kar, Anamika & Karmakar, Krishna', 9],
    ['Kreiter, Serge & Abo-Shnaf, Reham I. A.', 9],
    ['Kreiter, Serge & Amiri, Karima & Douin, Martial & Bohinc, Tanja', 8],
    ['Kreiter, Serge & Douin, Martial & Tixier, Marie Stephane', 8],
    ['Kreiter, Serge & Payet, Rose-My & Azali, Hamza Abdou', 14],
    ['Kreiter, Serge & Payet, Rose-My & Mouigni, Hadji', 7],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 31],
    ['Tixier, Marie-Stephane & Allam, Latifa & Douin, Martial', 15],
    ['Tixier, Marie-Stéphane & Baldassar, Andrea & Duso, Carlo', 21],
    ['Tixier, Marie-Stéphane & Dennj, Principato & Douin, Martial', 20],
    ['Tsolakis, Haralabos & Ragusa, Salvatore', 12],
    ['Ueckermann, Edward A. & Zannou, Ignace D.', 68],
    ['Other (66)', 140]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=418)',
    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);