function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bertaco, Vinicius A. & Cardoso, Alexandre R.', 1],
    ['De Oliveira, Rianne C. & Ota, Renata R. & Deprá, Gabriel C.', 2],
    ['Eigenmann, C. H. & Allen, W. R.', 1],
    ['Gomes, A. L.', 1],
    ['Horácio Mori & Oscar Akio Shibatta', 14],
    ['Malabarba, L. R. & Mahler, J. K. F.', 1],
    ['Mees, G. F.', 1],
    ['Ota, Renata Rúbia & Deprá, Gabriel de Carvalho', 1],
    ['Ruiz, William Benedito Gotto & Shibatta, Oscar Akio', 4],
    ['Sarmento-Soares, Luisa M. & Martins-Pinheiro, Ronaldo F.', 1],
    ['Shibatta, Oscar Akio', 2],
    ['Shibatta, Oscar Akio & Benine, R. C.', 1],
    ['Shibatta, Oscar Akio & Benine, Ricardo Cardoso', 1],
    ['Vera Alcaraz, Héctor S. & da Graça, Weferson J.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);