function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeida, Ana Laura & Álvarez-Presas, Marta & Carbayo, Fernando', 3],
    ['Deng, Tao & Wang, Shi-Qi & Shi, Qin-Qin & Li, Yi-Kun & Li, Yu', 2],
    ['Don E. Wilson & Russell A. Mittermeier', 54],
    ['Fourvel, Jean-Baptiste & Fosse, Philippe & Fernandez, Philippe', 5],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 3],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 54],
    ['Jo, Yeong-Seok & Baccus, John T. & Koprowski, John L.', 9],
    ['Linnaeus, Carolus', 9],
    ['Pereira, Alan Deivid & Bazilio, Sergio & Orsi, Mário Luís', 4],
    ['Peter Grubb', 61],
    ['Suraprasit, Kantapon & Jaeger, Jean-Jacques', 3],
    ['VOSS, ROBERT S.', 3],
    ['Voss, Robert S. & Fleck, David W.', 3],
    ['Wilson, Don E. & Reeder, DeeAnn', 99],
    ['Zimmermann, E. A. W.', 3],
    ['Other (29)', 37]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=352)',
    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);