function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andre, E.', 2],
    ['André, E', 2],
    ['Brendone Boudinot & Rodolfos Probst & Carlos Roberto F. Brandão', 1],
    ['Lucky, Andrea & Ward, Philip S.', 2],
    ['Mayr, G.', 2],
    ['Smith, D. J. & Shattuck, S. O.', 6],
    ['Smith, Derek J. & Shattuck, Steve', 7],
    ['Ulysséa, Mônica Antunes & Prado, Lívia Pires do', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=23)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);