function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 2],
    ['Fowler, Henry Weed', 3],
    ['Ho, Hsuan-Ching & Smith, David G. & Mccosker, John E.', 3],
    ['Jenkins, O. P.', 2],
    ['Jordan, David Starr & Evermann, Barton Warren', 1],
    ['Jordan, David Starr & Snyder, John Otterbein', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 2],
    ['Parnaby, Harry E. & Ingleby, Sandy & Divljan, Anja', 3],
    ['Peter Wirtz & Carlos Eduardo L. Ferreira & Sergio R. Floeter', 1],
    ['Poey, F.', 2],
    ['Schultz, Leonard P.', 1],
    ['Smith, David G. & Bogorodsky, Sergey V. & Mal, Ahmad O.', 2],
    ['Smith-Vaniz, William F. & Jelks, Howard L.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);