function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Braga, Rafael Benzi', 16],
    ['Braga, Rafael Benzi & Ferreira-Jr, Nelson', 8],
    ['Keller, Oliver & Schnepp, Kyle E. & Ashman, Krystal L.', 31],
    ['Megna, Yoandri S. & Sánchez-Fernández, David', 1],
    ['Miller, Kelly B.', 33],
    ['Miller, Kelly B. & Wolfe, G. William', 16],
    ['Nilsson, Anders N.', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=110)',
    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);