function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Don E. Wilson & Russell A. Mittermeier', 7],
    ['Gray, John Edward', 1],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 10],
    ['Linnaeus, Carolus', 5],
    ['Martini, Pietro & Geraads, Denis', 2],
    ['Meachen, Julie A.', 1],
    ['Moyano, S. R. & Aragon, P. N. Sardina & Alvarez, A.', 1],
    ['Müller, Philipp Ludwig Statius', 1],
    ['O\'Leary, Maureen A.', 1],
    ['Patton, Thomas H.', 7],
    ['Peter Grubb', 9],
    ['Wilson, Don E. & Reeder, DeeAnn', 12],
    ['Zazula, Grant D. & Macphee, Ross D. E. & Hall, Elizabeth', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=58)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);