function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Birindelli, José L. O. & Zanata, Angela M. & Sousa, Leandro M.', 1],
    ['Netto-Ferreira, André L. & Zanata, Angela M.', 2],
    ['Pereira, Thiago N. A. & Lucinda, Paulo H. F.', 1],
    ['Sébastien Brosse & Fréderic Melki & Régis Vigouroux', 1],
    ['Thiago N. A. Pereira & Paulo H. F. Lucinda', 4],
    ['Zanata, Angela M.', 3],
    ['Zanata, Angela M. & Lima, F. C. T.', 1],
    ['Zanata, Angela M. & Ohara, Willian M.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=14)',
    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);