function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Araújo, Marcel Santos De & Feres, Reinaldo José Fazzio', 1],
    ['Ferragut, Francisco & Moraes, Gilberto Jose & Navia, Denise', 3],
    ['Gonçalves, Dinarte & Cunha, Uemerson Silva Da', 1],
    ['Gonçalves, Dinarte & Silva, Guilherme Liberato Da', 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 C. & Demite, Peterson R. & Feres, Reinaldo J. F.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=11)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);