function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguiler, Gastón & Mirand, Juan Marcos', 1],
    ['Bertora, Andrea & Grosman, Fabián & Sanzano, Pablo', 1],
    ['Garman, S.', 1],
    ['Haseman, J. D.', 1],
    ['Lucinda, Paulo H. F.', 10],
    ['Lucinda, Paulo Henrique Franco & Reis, Roberto E.', 1],
    ['Paulo H. F. Lucinda & Thomas Litz & Roberto Recuero', 2],
    ['Soricetti, Mariano & Morawicki, Santiago', 1],
    ['de Lucinda, P. H. F. & Garavello, J. C.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=19)',
    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);