function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bartz, Marie L. C. & Barreto, Julia & Santos, Alessandra', 1],
    ['Demetrio, Wilian C. & Santos, Alessandra & Ferreira, Talita', 1],
    ['Demetrio, Wilian Carlo & Fonseca, Priscila Mouro Da', 1],
    ['Dudas, Rafaela T. & Demetrio, Wilian C. & Maia, Liliane S.', 1],
    ['Ferreira, Talita & James, Samuel W.', 1],
    ['Ferreira, Talita & Niva, Cintia C. & Dudas, Rafaela', 1],
    ['Gillanders, Stephen M. G. & Podgaiski, Luciana R.', 1],
    ['Hernández-García, Luis Manuel & Sousa, Sandriel Costa', 1],
    ['Santos, Alessandra & Gorte, Tatiane & Demetrio, Wilian C.', 1],
    ['Sousa, Sandriel Costa & Hernández-García, Luis Manuel', 1],
    ['Sousa, Sandriel Costa & Sousa, Anny Mykaelly De', 2],
    ['Steffen, Gerusa Pauli Kist & Steffen, Ricardo Bemfica', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=13)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);