function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Colmenares, Pío A. & Tourinho, Ana Lúcia', 3],
    ['Hara, Marcos R. & Bragagnolo, Cibele & Pinto-Da-Rocha, Ricardo', 5],
    ['Hara, Marcos Ryotaro & Pinto-Da-Rocha, Ricardo', 6],
    ['Kury, Adriano B.', 3],
    ['Orrico, Victor G. D. & Kury, Adriano B.', 6],
    ['Pinto-Da-Rocha, Ricardo & Bonaldo, Alexandre B.', 49],
    ['Pinto-Da-Rocha, Ricardo & Hara, Marcos Ryotaro', 1],
    ['Pinzón Morales, Conchita A. & Pinto-Da-Rocha, Ricardo', 3],
    ['Saturnino, Regiane & Tourinho, Ana Lúcia', 1],
    ['Villarreal M., Osvaldo & Kury, Adriano Brilhante', 1],
    ['Villarreal, Manzanilla Osvaldo & Rodríguez, Carlos J.', 2],
    ['Villarreal, Osvaldo & Ahumada-C., Daniela', 4],
    ['Villarreal, Osvaldo & García, Andrés F.', 8],
    ['Villarreal, Osvaldo & González-Gómez, Julio César', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=98)',
    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);