function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 6],
    ['Beebe, W. & Tee-Van, J.', 1],
    ['Evermann, Barton Warren & Kendall, W. C.', 1],
    ['Evermann, Barton Warren & Seale, A.', 1],
    ['Fowler, Henry Weed', 2],
    ['Herald, Earl Stannard Dr.', 1],
    ['Jordan, David Starr & Seale, A.', 1],
    ['Jordan, David Starr & Snyder, John Otterbein', 1],
    ['Kaup, Johann Jakob', 5],
    ['Ogilby, J. D.', 1],
    ['Parr, A. E.', 1],
    ['Scott, Trevor D.', 1],
    ['Silvester, C. F.', 1],
    ['Smith, H. M. & Seale, A.', 1],
    ['Snyder, John Otterbein', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=26)',
    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);