function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barros, Rafael C. & Fonseca, Mailson G. & Jardim, Marcelo T.', 1],
    ['Clarke, Robin & Zamalloa, Sonia', 1],
    ['Ferreira, Gabriel S. & Corrêa, Caio C. D. & Monné, Miguel A.', 1],
    ['Monné, Miguel A. & Monné, Marcela L.', 1],
    ['Quintino, Hingrid Yara S. & Monné, Marcela L.', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=11)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 5, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);