function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angulo, Arturo', 1],
    ['Arai, Hisao P. & Smith, John W.', 1],
    ['Ayres, W. O.', 2],
    ['Bailey, Reeve M. & Hubbs, Carl L.', 1],
    ['Chan, Jeffery C. F. & Tsang, Alphonse H. F. & Yau, Sze-man', 1],
    ['Cope, Edward Drinker', 11],
    ['Cuvier, Georges & Valenciennes, A.', 5],
    ['Gill, T. N.', 2],
    ['Girard, Charles Frédéric', 8],
    ['Jordan, David Starr', 7],
    ['McKay, C. L.', 2],
    ['Miyazaki, Yusuke & Nakae, Masanori & Senou, Hiroshi', 2],
    ['Ortenburger, A. I. & Hubbs, Carl L.', 2],
    ['Rafinesque, Constantine Samuel', 4],
    ['Simon, Thomas P. & Morris, Charles C. & Robb, Joseph R.', 4],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=59)',
    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);