function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['ANDERSON, R. & BICKEL, D. J. & BROWN, J. W. & BUFFINGTON, M.', 1],
    ['Abad-Franch, Fernando & Pavan, Márcio & Jaramillo-O, Nicolás', 1],
    ['Gonçalves, Teresa Cristina Monte & Novo, Shênia Patrícia Corrêa', 15],
    ['Iorio, Osvaldo Di & Turienzo, Paola', 1],
    ['Rodrigues, Juliana Mourão Dos Santos', 2],
    ['Rosa, Joao Aristeu da & Justino, Hernany Henrique Garcia', 1],
    ['Rosa, João Aristeu Da & Rocha, Cláudia Solano & Gardim, Sueli', 1],
    ['Souza, Eder dos Santos & Von Atzingen, Noe Carlos Barbosa', 1],
    ['Zhao, Yisheng & Galvao, Cleber & Cai, Wanzhi', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);