function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beck, Robin M. D. & Voss, Robert S. & Jansa, Sharon A.', 37],
    ['Black, Karen H. & Hand, Suzanne J.', 4],
    ['Butler, Kaylene & Travouillon, Kenny J. & Price, Gilbert J.', 6],
    ['Colin P. Groves', 163],
    ['Jackson, Stephen M. & Jansen, Justin J. F. J.', 23],
    ['Kerr, Isaac A. R. & Camens, Aaron B. & Van Zoelen, Jacob D.', 13],
    ['Parnaby, Harry & Gill, Anthony C.', 13],
    ['Parnaby, Harry E. & Ingleby, Sandy & Divljan, Anja', 43],
    ['Price, Gilbert J.', 12],
    ['Price, Gilbert J. & Zhao, Jian-xin & Feng, Yue-xing', 5],
    ['Prideaux, Gavin J. & Warburton, Natalie M.', 12],
    ['Russell A. Mittermeier & Don E. Wilson', 151],
    ['Spratt, David M.', 6],
    ['Wiig, Øystein & Bachmann, Lutz', 8],
    ['Wilson, Don E. & Reeder, DeeAnn', 265],
    ['Other (21)', 34]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=795)',
    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);