function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alleyne, H. G. & Macleay, William John', 1],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 3],
    ['Chungthanawong, Sirikanya & Motomura, Hiroyuki', 2],
    ['De Vis, Charles Walter', 2],
    ['Fowler, Henry Weed', 1],
    ['Fricke, Ronald', 1],
    ['Fricke, Ronald & Allen, Gerald R. & Andréfouët, Serge', 1],
    ['Gilchrist, J. D. F.', 1],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 1],
    ['Motomura, Hiroyuki & Last, Peter R. & Johnson, Jeffrey W.', 3],
    ['Poss, Stuart G. & Eschmeyer, William N. Dr.', 2],
    ['Smith, J. L. B.', 2],
    ['Weber, M.', 2],
    ['Whitley, Gilbert P.', 2],
    ['de Beaufort, L. F.', 2],
    ['Other (14)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=40)',
    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);