function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Blondel, Cecile', 12],
    ['Denis Geraards', 12],
    ['Don E. Wilson & Russell A. Mittermeier', 319],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 273],
    ['Jo, Yeong-Seok & Baccus, John T. & Koprowski, John L.', 20],
    ['Kostopoulos, Dimitrios S. & Bernor, Raymond L.', 30],
    ['Kostopoulos, Dimitris S. & Karakütük, Seval', 12],
    ['Kostopoulos, Dimitris S. & Sen, Sevket', 17],
    ['Linnaeus, Carolus', 53],
    ['Miller, Ellen R. & Gunnell, Gregg F. & Gawad, Mohammad Abdel', 12],
    ['Pallas, Peter Simon', 16],
    ['Peter Grubb', 308],
    ['Petzold, Alice & Magnant, Anne-Sophie & Edderai, David', 13],
    ['Van Der Geer, Alexandra A. E.', 13],
    ['Wilson, Don E. & Reeder, DeeAnn', 520],
    ['Other (148)', 409]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=2039)',
    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);