function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bardi, Edoardo & Lubian, Emanuele & Whitaker, Nikhil', 1],
    ['Brandão, Reuber Albuquerque & Caramaschi, Ulisses', 3],
    ['Cruz, Carlos Alberto Gonçalves & Napoli, Marcelo Felgueiras', 1],
    ['Dias, Pedro Henrique Dos Santos', 1],
    ['Dias, Pedro Henrique Dos Santos & Amaro, Renata Cecília', 3],
    ['Felipe Sá Fortes Leite & Tiago Leite Pezzuti & Pedro Lage Viana', 1],
    ['Junior, Mauro Teixeira & Amaro, Renata Cecília', 1],
    ['Martins, Lucas Borges & Giaretta, Ariovaldo Antonio', 3],
    ['Napoli, Marcelo Felgueiras & Cruz, Carlos Alberto Gonçalves', 1],
    ['O\'Donohoe, M. E. Ailín & Rosset, Sergio D. & Regueira, Eleonora', 1],
    ['Santana, Diego Jose & Mangia, Sarah', 1],
    ['Simões, Cássio Rachid M. A. & Pontes, Bruna Elizabeth Silva De', 1],
    ['Ávila, Robson W. & Kawashita-Ribeiro, Ricardo A.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=19)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);