function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arens, W.', 15],
    ['Carpenter, James M.', 2],
    ['Carpenter, James M. & Brown, Graham R.', 12],
    ['Carpenter, James M. & Gadallah, Neveen S.', 11],
    ['Fateryga, Alexander V. & Mokrousov, Mikhail V.', 3],
    ['Fateryga, Alexander V. & Proshchalykin, Maxim Yu.', 8],
    ['Gawas, Sandesh M. & Kumar, Girish & Pannure, Arati', 5],
    ['Genaro, Julio A.', 3],
    ['Gusenleitner, J.', 60],
    ['J. M & Gusenleitner, J. & Madl, M.', 8],
    ['Ma, Zhenxia & Chen, Bin & Li, Tingjing', 7],
    ['Schmid, Christian', 4],
    ['Selis, Marco', 9],
    ['Yildirim, E. & Gusenleitner, J.', 6],
    ['Yildirim, Erol & Gusenleitner, Josef', 7],
    ['Other (16)', 22]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=182)',
    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);