function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Da Silva Neto, Alberto Moreira & Rafael, Jose Albertino', 4],
    ['Ferreira, André Da Silva & Araújo, Maíra Xavier', 1],
    ['González-Obando, Ranulfo & Carrejo-Gironza, Nancy', 68],
    ['Lima, Daniel Moura & Rafael, José Albertino & Bravo, Freddy', 3],
    ['Moura-Lima, Daniel & Silva-Neto, Alberto Moreira da', 4],
    ['Neto, Alberto Moreira Da Silva & García Aldrete, Alfonso N.', 17],
    ['Neto, Alberto Moreira Da Silva & Rafael, José Albertino', 5],
    ['Silva-Neto, Alberto Moreira da & Aldrete, Alfonso Neri García', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=107)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);