function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Johnston, M. Andrew', 5],
    ['Johnston, M. Andrew & Fleming, David & Franz, Nico M.', 38],
    ['Johnston, M. Andrew & Waite, Evan S. & Wright, Ethan R', 2],
    ['LeConte, John L.', 1],
    ['Pérez-Hernández, Cisteil Xinum', 2],
    ['Smith, Aaron D. & Dornburg, Rebecca & Wheeler, Quentin D.', 14],
    ['Thomas, Donald B.', 2],
    ['Thomas, Donald B. & Smith, Aaron D. & Triplehorn, Charles A.', 5],
    ['Triplehorn, Charles A.', 4],
    ['Triplehorn, Charles A. & Ruiz, Paulina Cifuentes', 1],
    ['Triplehorn, Charles A. & Thomas, Donald B.', 9],
    ['Triplehorn, Charles A. & Thomas, Donald B. & Rile, Edward G.', 34]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=117)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);