function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boeseman, M.', 2],
    ['Caldas, Laís & Cherobim, Arieli Matheus & Langeani, Francisco', 2],
    ['De Oliveira, José C. & Oyakawa, Osvaldo T.', 1],
    ['Eigenmann, C. H. & Allen, W. R.', 1],
    ['La Monte, F.', 1],
    ['Langeani, Francisco', 2],
    ['Langeani, Francisco & Oyakawa, Osvaldo T.', 1],
    ['Miranda-Ribeiro, A. de', 1],
    ['Miranda-Ribeiro, P. de', 1],
    ['Oyakawa, Osvaldo T.', 4],
    ['Oyakawa, Osvaldo T. & Fichberg, Ilana & Py-Daniel, Lucia Rapp', 3],
    ['Raphael Covain & Sonia Fisch-Muller', 2],
    ['Rapp-Py-Daniel, L. H. & Oliveira, E. C.', 4],
    ['de Brito, Victor & Buckup, Paulo Andreas', 2],
    ['dos Santos, Sergio Alexandre & de Britto, Marcelo Ribeiro', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=31)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);