function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abella, Juan & Hontecillas, Daniel & Valenciano, Alberto', 2],
    ['Bonis, Louis De', 8],
    ['Bonis, Louis de & Gardin, Axelle & Blondel, Cécile', 21],
    ['Don E. Wilson & Russell A. Mittermeier', 9],
    ['Fourvel, Jean-Baptiste & Fosse, Philippe & Fernandez, Philippe', 2],
    ['Ginsburg, Léonard & Cheneval, Jacques & Janvier, Philippe', 2],
    ['Ginsburg, Léonard & Morales, Jorge', 2],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 14],
    ['Jiangzuo, Qigao & Flynn, John J. & Wang, Shiqi & Hou, Sukuan', 6],
    ['Jo, Yeong-Seok & Baccus, John T. & Koprowski, John L.', 4],
    ['Linnaeus, Carolus', 5],
    ['Merriam, Clinton Hart', 74],
    ['W. Christopher Wozencraft', 18],
    ['WANG, XIAOMING & McKENNA, MALCOLM C. & DASHZEVEG, DEMBERELYIN', 3],
    ['Wilson, Don E. & Reeder, DeeAnn', 39],
    ['Other (21)', 24]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=233)',
    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);