function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beebe, W.', 2],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 5],
    ['Flynn, A. J. & Klepadlo, C.', 3],
    ['Gibbs, R. H.', 1],
    ['Koeda, Keita & Ho, Hsuan-Chign', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 1],
    ['Parr, A. E.', 1],
    ['Prokofiev, Artem M. & Frable, Benjamin W.', 3],
    ['Prokofiev, Artem M. & Klepadlo, Cynthia', 4],
    ['Regan, C. T. & Trewavas, E.', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=30)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);