function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barros, Rafael C. & Julio, Carlos E. A. & Nearns, Eugenio H.', 1],
    ['De Barros, Rafael C. & Da Fonseca, Mailson G.', 1],
    ['Monné, Miguel A.', 1],
    ['Nearns, Eugenio H. & Androw, Robert A.', 1],
    ['Nearns, Eugenio H. & Powell, Gareth S.', 1],
    ['Nearns, Eugenio H. & Tavakilian, Gérard L.', 2],
    ['Nearns, Eugenio H. & Tavakilian, Gérard-Luc', 2],
    ['Rodrigues, Juliana Mourão Dos Santos & Mermudes, José Ricardo M.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=10)',
    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);