function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amaral Campos, A.', 2],
    ['Batista-Silva, Valéria Flávia & Frota, Augusto', 1],
    ['Breder, C. M.', 1],
    ['De Oliveira, Rianne C. & Ota, Renata R. & Deprá, Gabriel C.', 2],
    ['Eigenmann, C. H.', 2],
    ['Eigenmann, C. H. & Allen, W. R.', 1],
    ['Fowler, Henry Weed', 1],
    ['Garavello, J. C.', 1],
    ['Ota, Renata Rúbia & Deprá, Gabriel de Carvalho', 4],
    ['Pavanelli, Carla Simone', 1],
    ['Pavanelli, Carla Simone & Britski, H. A.', 2],
    ['Scharcansky, Alexandre & Lucena, Carlos Alberto S.', 1],
    ['Smith, Welber Senteio & Halcsik, Leticia', 1],
    ['Starnes, Wayne C. & Schindler, I.', 1],
    ['Travassos, H.', 2],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24)',
    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);