function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Castillo, G. O. & Brull G., O.', 1],
    ['Collins, Rupert A. & Duarte Ribeiro, Emanuell', 4],
    ['Eigenmann, C. H. & Eigenmann, Rosa Smith', 1],
    ['Fisher, H. G.', 1],
    ['Hamilton, F. Buchanan', 1],
    ['Kner, R.', 1],
    ['Miranda-Ribeiro, A. de', 1],
    ['Ota, Renata Rúbia & Deprá, Gabriel de Carvalho', 4],
    ['Ribeiro, Frank Raynner V. & Rapp Py-Daniel, Lúcia H.', 1],
    ['Risso, F. J. J. & de Risso, E. N. P.', 2],
    ['Steindachner, F.', 4],
    ['Sykes, W. H.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=22)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);