function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Argolo, Poliane Sá & Vital Santos, Renata M.', 2],
    ['Athias-Henriot, C.', 1],
    ['Barbar, Z.', 1],
    ['Chatti, A. & Kreiter, S. & Lebdi-Grissa, K. & Ksantini, M.', 2],
    ['De, Gilberto J. & Zannou, Ignace D. & Ueckermann, Eddie A.', 5],
    ['El-Banhawy, E. M. & Knapp, M.', 2],
    ['Guanilo, Alberto Daniel & Moraes, Gilberto José De', 2],
    ['Kreiter, Serge & Abo-Shnaf, Reham I. A.', 2],
    ['Kreiter, Serge & Amiri, Karima & Douin, Martial & Bohinc, Tanja', 2],
    ['Kreiter, Serge & Fontaine, Olivier & Payet, Rose-My', 2],
    ['Kreiter, Serge & Payet, Rose-My & Douin, Martial', 2],
    ['Lofego, Antonio Carlos & Barbosa, Marina Ferraz De Camargo', 4],
    ['Migeon, Alain & Tixier, Marie-Stéphane & Navajas, Maria', 2],
    ['Moraes, Gilberto José De & Barbosa, Marina Ferraz De Camargo', 2],
    ['ZahidiK, Abdelaziz & Akchour, Abdellah & K, Serge Kreiter', 2],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=41)',
    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);