function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baur, Hannes', 11],
    ['Brothers, Denis J. & Moran, V. C.', 1],
    ['Crawford, J. C.', 1],
    ['Dale-Skey, Natalie & Askew, Richard R. & Noyes, John S.', 66],
    ['Fullaway, D. T.', 1],
    ['Gadallah, Neveen S. & Yefremova, Zoya A.', 1],
    ['Gahan, A. B.', 1],
    ['Gerlach, J. & Madl, M.', 4],
    ['Hansson, Christer & Schmidt, Stefan', 98],
    ['Holdaway, F. G. & Look, W. C.', 1],
    ['Madl, Michael & M, Atoposoma & W, Diglyphus', 6],
    ['Plecas, Milan & Zikic, Vladimir & Kocic, Korana', 1],
    ['Pérez-Benavides, A. Lucía & Hernández-Baz, Fernando', 1],
    ['Shimbori, Eduardo Mitio & Costa, Valmir Antonio', 1],
    ['Walker, Francis', 3],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=199)',
    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);