function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alves, Philippe V. & Vieira, Fabiano M. & Santos, Cláudia P.', 1],
    ['Brongniart, Alexandre', 1],
    ['Figueroa, Alex & Low, Martyn E. Y. & Lim, Kelvin K. P.', 4],
    ['Iverson, John B.', 6],
    ['Kundu, Shantanu & Kumar, Vikas & Murthy, B. H. C. K.', 4],
    ['Mccranie, James R.', 1],
    ['Meylan, Peter A. & Meylan, Anne B. & Gray, Jennifer A.', 10],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 1],
    ['Oertel, W.', 1],
    ['Vanzolini, Paulo E. & Myers, Charles W.', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    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);