function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Charles A. Woods', 30],
    ['Don E. Wilson & Thomas E. Lacher, Jr & Russell A. Mittermeier', 10],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 18],
    ['Morgan, Gary S. & Macphee, Ross D. E. & Woods, Roseina', 3],
    ['R D E Macphee & M A Iturralde-Vinent & Eugene S Gaffney', 1],
    ['Silva, Hansel Caballero & Mancina, Carlos A.', 2],
    ['Turvey, Samuel T. & Hansford, James & Kennerley, Rosalind J.', 1],
    ['Viñola López, Lazaro W. & Garrido, Orlando H.', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 37]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=103)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);