function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Johnson, Daniel P.', 5],
    ['Loughman, Zachary J. & Simon, Thomas P.', 4],
    ['Morehouse, Reid L. & Tobler, Michael', 14],
    ['Simon, Thomas P. & Morris, Charles C. & Robb, Joseph R.', 4],
    ['Taylor, Christopher A. & Rhoden, Cody M. & Schuster, Guenter A.', 1],
    ['Wicksten, Mary K.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=29)',
    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);