function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahmed S. Thandar & Lazaro W. V. Vinola', 1],
    ['Alfred L. Gardner', 6],
    ['Casali, Daniel M & Boscaini, Alberto & Gaudin, Timothy J', 7],
    ['Hirschfeld, Sue E. & Webb, S. David', 2],
    ['Iuliis, Gerardo De & Pujos, François & Toledo, Nestor', 2],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 1],
    ['Jefferson, Thomas', 1],
    ['McDonald, H. Gregory & Rincón Rincón, Ascanio Daniel', 1],
    ['R D E Macphee & Jennifer L White & Charles A Woods', 5],
    ['R D E Macphee & M A Iturralde-Vinent & Eugene S Gaffney', 1],
    ['Russell A. Mittermeier & Don E. Wilson', 3],
    ['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.', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=40)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);