function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ament, Danilo César & Brown, Brian V.', 7],
    ['Evenhuis, Neal L.', 1],
    ['Ferreira, André Da Silva & Araújo, Maíra Xavier', 1],
    ['Liu, Guang-Chun & Disney, R. Henry L.', 20],
    ['Mostovski, Mike B.', 2],
    ['Pereira, Thalles Platiny Lavinscky', 5],
    ['Plowes, Robert M. & Folgarait, Patricia J.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=38)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);