function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Canejo, Rafael P. R. & Melo, Alan Lane De', 1],
    ['Cordeiro, Isabelle R S & Moreira, Felipe F F', 4],
    ['Dias-Silva, Karina & Moreira, Felipe Ferraz Figueiredo', 6],
    ['Heiss, Ernst & Eckelt, Andreas & Lederwasch, Manfred', 1],
    ['Lima Franco, Cleilton & Mourão dos Santos Rodrigues, Juliana', 3],
    ['Magalhães, Oséias Martins & Nery, Leticia & Moller, Hermann', 1],
    ['Moreira, F. F. F. & Nessimian, J. L. & Rúdio, J. A.', 2],
    ['Moreira, Felipe Ferraz Figueiredo & Barbosa, Julianna Freires', 11],
    ['Motta, Flávia Souza Da & Moreira, Felipe Ferraz Figueiredo', 2],
    ['Rodrigues, Juliana Mourao dos Santos', 5],
    ['Rodrigues, Juliana Mourão Dos Santos', 4],
    ['Rodrigues, Juliana Mourão Dos Santos & Nery, Leticia', 3],
    ['dos Santos, Suzane E. & Rodrigues, Juliana M. S.', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=49)',
    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);