function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barbar, Ziad & Parker, Bruce & Skinner, Margaret', 1],
    ['Carvalho, Adeilma Nascimento De & Oliveira, Aníbal Ramadan', 1],
    ['CălugărK, Adina & StathakisK, Theodoros', 1],
    ['El-Banhawy, E. M. & Knapp, M.', 2],
    ['Guanilo, Alberto Daniel & Moraes, Gilberto José De', 1],
    ['Kolodochka, L. A.', 4],
    ['Kreiter, Serge & Bopp, Marie-Charlotte & Douin, Martial', 2],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 2],
    ['Lofego, Antonio Carlos & Barbosa, Marina Ferraz De Camargo', 2],
    ['Rezende, J. M. & Lofego, A. C.', 1],
    ['Tixier, Marie-Stephane & Allam, Latifa & Douin, Martial', 1],
    ['Tixier, Marie-Stéphane & Baldassar, Andrea & Duso, Carlo', 1],
    ['Trincado, R. D. & Martin, J. P. I. & Méndez Rosa, D. D.', 1],
    ['ZahidiK, Abdelaziz & Akchour, Abdellah & K, Serge Kreiter', 2],
    ['Zannou, Ignace D. & De, Gilberto J. & Ueckermann, Eddie A.', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=26)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);