function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bertora, Andrea & Grosman, Fabián & Sanzano, Pablo', 1],
    ['Boulenger, George Albert', 1],
    ['Cope, Edward Drinker', 1],
    ['Eigenmann, C. H.', 3],
    ['Eigenmann, C. H. & Eigenmann, Rosa Smith', 1],
    ['Eigenmann, C. H. & Kennedy, C. H.', 1],
    ['Eigenmann, C. H. & Ogle, F.', 1],
    ['Evermann, Barton Warren & Goldsborough, E. L.', 1],
    ['Fink, William L. & Weitzman, Stanley H.', 1],
    ['Fowler, Henry Weed', 3],
    ['Géry, J.', 1],
    ['Lütken, Christian Frederik', 1],
    ['Schindler, O.', 1],
    ['Schultz, Leonard P.', 1],
    ['Steindachner, F.', 3],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24)',
    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);