function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arens, Werner', 27],
    ['Boustani, Mira & Rosa, Paolo', 34],
    ['Carpenter, James M. & Gadallah, Neveen S.', 18],
    ['Dollfuss, Hermann', 143],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 32],
    ['Gess, Friedrich W.', 31],
    ['Gusenleitner, J.', 85],
    ['Madl, M.', 23],
    ['Madl, M. & Rosa, P.', 242],
    ['Paukkunen, Juho & Berg, Alexander & Soon, Villu', 36],
    ['Rosa, P. & Proshchalykin, M. Yu. & Lelej, A. S.', 22],
    ['Rosa, Paolo', 30],
    ['Rosa, Paolo & Wisniowski, Bogdan & Xu, Zai-fu', 100],
    ['Rosa, Paolo & Xu, Zai-fu', 63],
    ['Yildirim, E. & Strumia, F.', 52],
    ['Other (35)', 131]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1069)',
    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);