function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Britton, Everard B.', 3],
    ['Brookes, Albert E.', 2],
    ['Broun, Thomas', 5],
    ['Fairburn, E.', 1],
    ['Johns, Peter Malcolm Mr.', 1],
    ['Larochelle & Larivière, Marie-Claude & Larochelle & Larivière', 14],
    ['Seldon, David S. & Buckley, Thomas R.', 54],
    ['Seldon, David S. & Leschen, Richard A. B.', 14],
    ['Seldon, David S. & Leschen, Richard A. B. & Liebherr, James K.', 1],
    ['Townsend, James Ian Mr.', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=102)',
    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);