function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cordeiro, Isabelle R S & Moreira, Felipe F F', 2],
    ['Mazzucconi, Silvia Ana & Reyes, Cristina Armúa De', 1],
    ['Montemayor, Sara Itzel & Dellapé, Pablo Matías', 1],
    ['Moreira, Felipe Ferraz Figueiredo & Barbosa, Julianna Freires', 12],
    ['Moreira, Felipe Ferraz Figueiredo & Rodrigues, Higor D. D.', 4],
    ['Reynoso-Velasco, Daniel', 7],
    ['Reynoso-Velasco, Daniel & Sites, Robert W.', 24],
    ['Rodrigues, Higor D. D. & Melo, Alan Lane De & Sites, Robert W.', 1],
    ['Sites, Robert W.', 2],
    ['Sites, Robert W. & Reynoso-Velasco, Daniel', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=59)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);