function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Azevedo-Santos, Valter M. & Roxo, Fábio F.', 1],
    ['De Oliveira, Rianne C. & Ota, Renata R. & Deprá, Gabriel C.', 3],
    ['Fernando C. Jerep & Oscar A. Shibatta & Edson H. L. Pereira', 1],
    ['Gosline, William A.', 1],
    ['Langeani, Francisco', 1],
    ['Pereira, Edson H. L. & Reis, Roberto E.', 1],
    ['Roxo, Fábio Fernandes & Silva, Gabriel De Souza Da Costa E', 1],
    ['Silva, Gabriel S. C. & Roxo, Fábio F. & Oyakawa, Osvaldo T.', 1],
    ['Silva, Gabriel de Souza da Costa e & Roxo, Fabio Fernandes', 1],
    ['de Brito, Victor & Buckup, Paulo Andreas', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=12)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);