function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bianucci, Giovanni & Lambert, Olivier & Post, Klaas', 25],
    ['Bianucci, Giovanni & Miján, Ismael & Lambert, Olivier', 13],
    ['Boessenecker, Robert W.', 13],
    ['Fitzgerald, Erich M. G.', 10],
    ['James G. Mead & Robert L. Brownell, Jr.', 129],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 126],
    ['Jo, Yeong-Seok & Baccus, John T. & Koprowski, John L.', 80],
    ['Lambert O.', 10],
    ['Lambert, Olivier & Muizon, Christian de & Duhamel, Guy', 12],
    ['Linnaeus, Carolus', 16],
    ['Luque, José L. & Muniz-Pereira, Luís C. & Siciliano, Salvatore', 22],
    ['Martínez-Cáceres, Manuel & Lambert, Olivier', 8],
    ['Parnaby, Harry E. & Ingleby, Sandy & Divljan, Anja', 10],
    ['Russell A. Mittermeier & Don E. Wilson', 98],
    ['Wilson, Don E. & Reeder, DeeAnn', 172],
    ['Other (70)', 141]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=885)',
    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);