function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Banister, K. E. & Bailey, R. G.', 1],
    ['Bleeker, Pieter', 4],
    ['Boulenger, George Albert', 5],
    ['Chan, Jeffery C. F. & Tsang, Alphonse H. F. & Yau, Sze-man', 1],
    ['Fowler, Henry Weed', 1],
    ['Hamilton, F. Buchanan', 3],
    ['Jamandre, Brian Wade', 1],
    ['Kaup, Johann Jakob', 1],
    ['LARSON, HELEN K. & WILLIAMS, REX S. & HAMMER, MICHAEL P.', 1],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 1],
    ['Ng, Casey Keat Chuan & Lim, Teow Yeong & Ahmad, Amirrudin', 2],
    ['Nichols, J. T.', 1],
    ['Norris, S. M.', 1],
    ['Norris, S. M. & Douglas, M. E.', 1],
    ['Pellegrin, J.', 2],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=34)',
    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);