function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Casali, Daniel M & Boscaini, Alberto & Gaudin, Timothy J', 1],
    ['Gray, John Edward', 2],
    ['Hidalgo-Mihart, Mircea G. & Contreras-Moreno, Fernando M.', 1],
    ['McKENNA, MALCOLM C. & WYSS, ANDRÉ R. & FLYNN, JOHN J.', 4],
    ['Russell A. Mittermeier & Don E. Wilson', 8],
    ['VOSS, ROBERT S. & LUNDE, DARRIN P. & SIMMONS, NANCY B.', 1],
    ['Voss, Robert S. & Fleck, David W.', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);