function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bragagnolo, Cibele', 3],
    ['Colmenares, Pío A. & Porto, Willians & Tourinho, Ana Lúcia', 8],
    ['Coronato-Ribeiro, Amanda & Pinto-Da-Rocha, Ricardo', 1],
    ['Kury, Adriano B.', 2],
    ['Kury, Adriano B. & M., Osvaldo Villarreal', 2],
    ['M., Osvaldo Villarreal & Sánchez, Nestor & Ascenção, Antonio De', 2],
    ['Manzanilla, Osvaldo Villarreal & Donascimiento, Carlos', 2],
    ['Osvaldo Villarreal & Ludson Neves de Ázara', 27],
    ['Pinto-Da-Rocha, Ricardo & Manzanilla, Osvaldo Villarreal', 1],
    ['Pinto-Da-Rocha, Ricardo & Tourinho, Ana Lúcia', 13],
    ['Saturnino, Regiane & Tourinho, Ana Lúcia', 1],
    ['Villanueva-Bonilla, German Antonio & Araújo-Da-Silva, Luiz Paulo', 2],
    ['Villarreal, Osvaldo & Kury, Adriano B. & Colmenares, Pío A.', 10],
    ['Villarreal-Manzanilla, Osvaldo & Pinto-Da-Rocha, Ricardo', 6],
    ['Ázara, Ludson Neves De & Ferreira, Rodrigo Lopes', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=90)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);