function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alexander, Timothy & Seehausen, Ole', 1],
    ['Asso, I. de', 1],
    ['Bennett, Edward Turner', 1],
    ['Bloch, Marcus Elieser', 2],
    ['Burr, B. M. & Page, L. M.', 1],
    ['Devincenzi, G. J.', 1],
    ['Forster, Joannes Reinholdus', 3],
    ['Haldeman, S. S.', 3],
    ['Linnaeus, Carolus', 37],
    ['Mitchill, S. L.', 2],
    ['Osbeck, P.', 4],
    ['Parenti, Paolo & Kullander, Sven & Randall, John E.', 3],
    ['Park, M.', 3],
    ['Thunberg, C. P.', 5],
    ['Walbaum, J. J.', 10],
    ['Other (17)', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=94)',
    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);