function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Don E. Wilson & Russell A. Mittermeier', 7],
    ['Fourvel, Jean-Baptiste & Fosse, Philippe & Fernandez, Philippe', 1],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 3],
    ['Garrido, Guiomar & Arribas, Alfonso', 1],
    ['Geoffroy Saint-Hilaire, E. & Cuvier, Frédéric', 1],
    ['Hardwicke, Thomas', 1],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 4],
    ['Jo, Yeong-Seok & Baccus, John T. & Koprowski, John L.', 2],
    ['Linnaeus, Carolus', 19],
    ['Matschie, Paul', 2],
    ['Parnaby, Harry E. & Ingleby, Sandy & Divljan, Anja', 2],
    ['TEDFORD R. H. & WANG X. & TAYLOR B. E.', 5],
    ['W. Christopher Wozencraft', 8],
    ['Wilson, Don E. & Reeder, DeeAnn', 37],
    ['Zimmermann, E. A. W.', 5],
    ['Other (14)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=112)',
    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);