function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amori, Giovanni & Segniagbeto, Gabriel Hoinsoude & Decher, Jan', 1],
    ['Amr, Zuhair S. & Abu, Mohammad A. & Qumsiyeh, Mazin & Eid, Ehab', 1],
    ['Charles A. Woods', 15],
    ['Cuvier, Frédéric', 1],
    ['Denys, Christiane & Sandrock, Oliver & Kullmer, Ottmar', 1],
    ['Don E. Wilson & Thomas E. Lacher, Jr & Russell A. Mittermeier', 12],
    ['Gbif. Org, Occdownload', 1],
    ['Geraads, Denis & Spassov, Nikolaï & Hristova, Latinka', 1],
    ['Gray, John Edward', 3],
    ['Jackson, Stephen M. & Jansen, Justin J. F. J.', 1],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 16],
    ['Linnaeus, Carolus', 6],
    ['Mori, Emiliano & Sogliani, Davide & Senini, Caterina', 2],
    ['Sen, Sevket', 2],
    ['Wilson, Don E. & Reeder, DeeAnn', 21],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=86)',
    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);