function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boldrini, R. & Jacobus, Luke M. & Salles, F. F. & Pes, A. M. O.', 3],
    ['Boldrini, R. & Pes, A. M. O.', 6],
    ['Boldrini, R. & Pes, A. M. O. & Francischetti, C. N.', 5],
    ['Boldrini, R. & Salles, F. F. & Pes, A. M. O.', 7],
    ['Boldrini, Rafael & Salles, Frederico Falcão', 1],
    ['Lima, Lucas R. C. & Boldrini, Rafael & Pinheiro, Ulisses', 1],
    ['Nieto, Carolina & Grillet, Maria-Eugenia & Domínguez, Eduardo', 5],
    ['Pérez-García, Belkys Yubiry & Nieto-Caicedo, Liliana', 2],
    ['Salinas-Jimenez, Luis Gonzalo & Boldrini, R.', 1],
    ['Salles, F. F. & Andrade, M. B. & Da-Silva, E. R.', 1],
    ['Sibaja-Araya, Fabián & Esquivel, Carlos', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=37)',
    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);