function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amori, Giovanni & Segniagbeto, Gabriel Hoinsoude & Decher, Jan', 1],
    ['Augugliaro, Claudio & Paniccia, Chiara', 1],
    ['Bezerra, Alexandra Maria Ramos & Bordallo, Samanta Uchôa', 1],
    ['Don E. Wilson & Russell A. Mittermeier', 5],
    ['Fourvel, Jean-Baptiste & Fosse, Philippe & Fernandez, Philippe', 2],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 1],
    ['Hidalgo-Mihart, Mircea G. & Contreras-Moreno, Fernando M.', 1],
    ['Jackson, Stephen M. & Jansen, Justin J. F. J.', 3],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 6],
    ['Jansen, Martin & Engler, Marc & Blumer, Luka Moritz', 1],
    ['Jo, Yeong-Seok & Baccus, John T. & Koprowski, John L.', 3],
    ['Mazák, Ji H. & Christiansen, Per & Kitchener, Andrew C.', 1],
    ['O’Regan, Hannah J. & Steininger, Christine', 4],
    ['W. Christopher Wozencraft', 5],
    ['Wilson, Don E. & Reeder, DeeAnn', 27],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=65)',
    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);