function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bellodi, Carolina Ferraz & Fusari, Lívia Maria', 11],
    ['Fusari, Lívia Maria & Bellodi, Carolina Ferraz', 1],
    ['Fusari, Lívia Maria & Roque, Fabio O. & Hamada, Neusa', 1],
    ['Fusari, Lívia Maria & Roque, Fabio de Oliveira & Hamada, Neusa', 6],
    ['Mendes, Humberto Fonseca & Pinho, Luiz Carlos', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=21)',
    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);