function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Indicatti, Rafael Prezzi & Lucas, Sylvia Marlene', 3],
    ['Miglio, Laura Tavares & Bonaldo, Alexandre Bragio', 2],
    ['Passanha, Victor & Cizauskas, Igor & Brescovit, Antonio D.', 8],
    ['Perez-Gelabert, Daniel E.', 1],
    ['Rafael Prezzi Indicatti & Osvaldo Villarreal M.', 2],
    ['Saturnino, Regiane & Tourinho, Ana Lúcia', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=17)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);