function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beal, Maxwell R. W. & Matzinger, Parker J. & Saborío-R., Guido', 1],
    ['Colin P. Groves', 5],
    ['Erxleben, J. C. P.', 1],
    ['Gutierrez, Eliecer E. & Marinho-Filho, Jader', 1],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 5],
    ['Russell A. Mittermeier & Anthony B. Rylands & Don E. Wilson', 14],
    ['Torres-Porras, Jeronimo & Cobos, Marlon E & Seoane, José Manuel', 1],
    ['VOSS, ROBERT S. & LUNDE, DARRIN P. & SIMMONS, NANCY B.', 1],
    ['Voss, Robert S. & Fleck, David W.', 3],
    ['Wilson, Don E. & Reeder, DeeAnn', 20],
    ['Zijlstra, Jelle S.', 1],
    ['Zimmermann, E. A. W.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=55)',
    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);