function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Argolo, Poliane Sá & Vital Santos, Renata M.', 3],
    ['BorgesK, Vinicius & de MoraesK, Gilberto J.', 2],
    ['El-Banhawy, E. M. & Knapp, M.', 2],
    ['Ferla, Noeli Juarez & Johann, Liana & Klock, Crisna', 1],
    ['Guanilo, Alberto Daniel & Moraes, Gilberto José De', 2],
    ['Kreiter, S. & Mailloux, J. & Tixier, M. - S. & Le Bellec, F.', 1],
    ['Kreiter, Serge & Tixier, Marie-Stéphane & Etienne, Jean', 1],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 1],
    ['Lofego, Antonio Carlos & Barbosa, Marina Ferraz De Camargo', 7],
    ['Moraes, Gilberto José De & Barbosa, Marina Ferraz De Camargo', 2],
    ['Nuvoloni, Felipe Micali & Lofego, Antonio Carlos', 1],
    ['Trincado, R. D. & Martin, J. P. I. & Méndez Rosa, D. D.', 1],
    ['de Souza, Izabel Vieira & Sa Argolo, Poliane', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);