function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Araújo, Marcel Santos De & Feres, Reinaldo José Fazzio', 1],
    ['Bastani, Dariush & Asadi, Mahdieh', 1],
    ['Chalil, Suada Poolayulla & Kunnathattil, Maneesha', 21],
    ['Demite, P. R. & Flechtmann, C. H. W. & Feres, R. J. F.', 2],
    ['Ehara, Shôzô', 1],
    ['Ehara, Shôzô & Ohashi, Kazunori', 2],
    ['Flechtmann, C. H. W.', 19],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 1],
    ['Naing, Htar Htar & Chandrapatya, Angsumarn & Navajas, Maria', 3],
    ['Naves, Pedro & Nóbrega, Filomena & Auger, Philippe', 1],
    ['Poojar, Dyamanagouda & Ramakrishnan, Vishnupriya', 3],
    ['Toroitich, Faith J. & Ueckermann, Edward A. & Theron, Pieter D.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=57)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);