function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Don E. Wilson & Russell A. Mittermeier & Thomas E. Lacher, Jr', 20],
    ['Guy G. Musser & Michael D. Carleton', 14],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 13],
    ['Jayat, J. Pablo & Ortiz, Pablo E. & González, F. Rodrigo', 1],
    ['Lee Jr, Thomas E. & Tinoco, Nicolas & Crockett, Seth C.', 1],
    ['Pacheco, Víctor & Rengifo, Edgardo M. & Vivas, Dan', 1],
    ['Rengifo, Edgardo M. & Pacheco, Víctor', 2],
    ['VOSS, ROBERT S.', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=67)',
    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);