function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acosta-Galvis, Andrés R. & Tonini, João F. R. & De Sá, Rafael O.', 2],
    ['Dias-Souza, Marcos Roberto & Costa-Campos, Carlos Eduardo', 1],
    ['Lavilla, Esteban Orlando & Vaira, Marcos & Ferrari, Liliana', 1],
    ['Novaes-E-Fagundes, Gabriel & Lyra, Mariana L.', 10],
    ['Nunes-De-Almeida, Carlos Henrique L. & Toledo, Luís Felipe', 1],
    ['Pereyra, Laura C. & Akmentins, Mauricio S. & Laufer, Gabriel', 2],
    ['Piva, Alessandher & Caramaschi, Ulisses', 1],
    ['Schiesari, Luis & Rossa-Feres, Denise De Cerqueira', 1],
    ['Sánchez-Nivicela, Juan C. & Peloso, Pedro L. V.', 1],
    ['Toledo, Luís Felipe', 1],
    ['Toledo, Luís Felipe & Loebmann, Daniel & Haddad, Célio F. B.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=22)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);