function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ardila, Carlos', 2],
    ['Cardoso, A. R. & Malabarba, L. R.', 2],
    ['Cardoso, A. R. & de Lucinda, P. H. F.', 1],
    ['Cardoso, Alexandre Rodrigues & Silva, José Francisco Pezzi da', 2],
    ['Eigenmann, C. H.', 4],
    ['Fowler, Henry Weed', 4],
    ['Francisco Provenzano & Nadia Milani', 2],
    ['La Monte, F.', 1],
    ['Miranda-Ribeiro, A. de', 1],
    ['Provenzano, Francisco & Barriga, Ramiro', 3],
    ['Schultz, Leonard P.', 1],
    ['Steindachner, F.', 2],
    ['Werneke, David C. & Armbruster, Jonathan W. & Lujan, Nathan K.', 1],
    ['Werneke, David C. & Sabaj, Mark H. & Lujan, Nathan K.', 1],
    ['de Souza, Lesley S. & Melo, Marcelo R. S. & Chamon, Carine C.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=28)',
    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);