function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amori, Giovanni & Segniagbeto, Gabriel Hoinsoude & Decher, Jan', 2],
    ['Don E. Wilson & Russell A. Mittermeier', 35],
    ['Gagnaison, Cyril & Mennecart, Bastien & Bailleul, Julien', 1],
    ['Gray, John Edward', 2],
    ['Groves, Colin P. & Rajapaksha, Channa', 4],
    ['Hardwicke, Thomas', 1],
    ['Hoffmann, Michael & Grubb, Peter & Groves, Colin P.', 1],
    ['Jackson, Stephen M. & Jansen, Justin J. F. J.', 1],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 54],
    ['Linnaeus, Carolus', 7],
    ['Raffles, Thomas Stamford', 3],
    ['W. Christopher Wozencraft', 61],
    ['Werdelin, Lars', 7],
    ['Wilson, Don E. & Reeder, DeeAnn', 109],
    ['Xiao, Gang & Zhang, Mei & Peng, Xing & Jiang, Guangyuan', 2],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=294)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);