function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bianucci, Giovanni & Landini, Walter', 2],
    ['Fitzgerald, Erich M. G.', 1],
    ['Gervais, F. L. Paul', 2],
    ['Gray, John Edward', 1],
    ['Hernández-Orts, Jesús S. & Viola, M. Natalia Paso', 1],
    ['James G. Mead & Robert L. Brownell, Jr.', 6],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 6],
    ['Jo, Yeong-Seok & Baccus, John T. & Koprowski, John L.', 3],
    ['Lambert, Olivier & Collareta, Alberto & Benites-Palomino, Aldo', 2],
    ['Linnaeus, Carolus', 5],
    ['Luque, José L. & Muniz-Pereira, Luís C. & Siciliano, Salvatore', 2],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 1],
    ['Parnaby, Harry E. & Ingleby, Sandy & Divljan, Anja', 2],
    ['Russell A. Mittermeier & Don E. Wilson', 2],
    ['Wilson, Don E. & Reeder, DeeAnn', 6],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=44)',
    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);