function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anjos-Santos, Danielle & Costa, Janira Martins', 1],
    ['Farias, Antonio Bruno Silva & Santos, Jean Carlos', 1],
    ['Farias, Antonio Bruno Silva & Ventura, Iza Mayra Castro', 1],
    ['Furieri, Karina S. & Fraga, Felipe B. & Tribull, Carly', 4],
    ['Lencioni, F. A. A.', 5],
    ['Muzón, Javier & Muñoz, Soledad Weigel & Campos, Raúl', 1],
    ['Santos, Laís Rodrigues & Ribeiro, Cintia & Mariano, Rodolfo', 1],
    ['Vilela, Diogo Silva & Junior, Manoel Daltro Nunes Garcia', 2],
    ['Vilela, Diogo Silva & Lencioni, Frederico A. A.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=17)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);