function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Casari, Sônia A.', 5],
    ['De Barros, Rafael C. & Da Fonseca, Mailson G.', 1],
    ['Galileo, Maria Helena M. & Martins, Ubirajara R.', 2],
    ['García, Kimberly P. & Nascimento, Oe. De L.', 2],
    ['Martins, Ubirajara R. & Santos-Silva, Antonio', 1],
    ['Mondaca, José & Zavala, Jaime', 1],
    ['Monné, Marcela L. & Monné, Miguel A.', 9],
    ['Monné, Miguel A.', 13],
    ['Monné, Miguel A. & Almeida, Lucia M. & Oliveira, Marcio L.', 1],
    ['Monné, Miguel A. & Monné, Marcela L.', 11],
    ['Monné, Miguel A. & Nearns, Eugenio H.', 2],
    ['Nascimento, Francisco E. De L. & Mermudes, José Ricardo M.', 3],
    ['Santos-Silva, Antonio & Botero, Juan Pablo', 1],
    ['Santos-Silva, Antonio & Galileo, Maria Helena M.', 1],
    ['Taboada-Verona, Carlos & Mattei, Renato & Mattei, Roberto', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=54)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);