function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bischoff, Hans', 63],
    ['Blake, Chas. A.', 1],
    ['Brothers, D. J. & Lelej, A. S. & Madl, M.', 14],
    ['Brothers, Denis J.', 6],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 2],
    ['Lelej, Arkady S. & Brothers, Denis J.', 1],
    ['Lelej, Arkady S. & Harten, Antonius Van', 2],
    ['Lelej, Arkady S. & Proshchalykin, Maxim Yu.', 3],
    ['Lelej, Arkady S. & Williams, Kevin A. & Terine, Joshua B.', 2],
    ['Lelej, Arkady S. & Yildirim, Erol', 3],
    ['Linnaeus, Carolus', 9],
    ['Ljubomirov, Toshko & Ghahari, Hassan', 5],
    ['Smith, F.', 27],
    ['Walker, Francis', 1],
    ['Williams, Kevin A. & Lelej, Arkady S. & Okayasu, Juriya', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=140)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);