function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alcock, Alfred William', 1],
    ['Borodin, N. A.', 1],
    ['Chirichigno F., Norma', 1],
    ['Fowler, Henry Weed', 2],
    ['Ginsburg, I.', 1],
    ['Goode, G. B. & Bean, T. H.', 2],
    ['Jordan, David Starr & Gilbert, Charles H.', 1],
    ['Longley, W. H. & Hildebrand, S. F.', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 5],
    ['Meek, S. E. & Hildebrand, S. F.', 1],
    ['Miranda-Ribeiro, A. de', 1],
    ['Storer, D. H.', 1],
    ['Teague, G. W.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=19)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);