function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ancey, C. F.', 10],
    ['Baldwin, D. D.', 19],
    ['Brook, Fred J. & Ablett, Jonathan D.', 7],
    ['Cowie, Robert H. & Héros, Virginie & Yeung, Norine W.', 11],
    ['Guinea, Michael & Pilsbry, Henry A.', 23],
    ['Gulick, J. T.', 9],
    ['Gulick, J. T. & Smith, E. A.', 28],
    ['Newcomb, W.', 37],
    ['Paetel, F.', 6],
    ['Pease, W. H.', 8],
    ['Pfeiffer, L.', 56],
    ['Pilsbry, Henry A. & Cooke, C. Montague', 59],
    ['Reeve, Lovell A.', 12],
    ['Sykes, E. R.', 12],
    ['Yeung, Norine W. & Slapcinsky, John & Strong, Ellen E.', 7],
    ['Other (18)', 53]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=357)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);