function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['ANDERSON, R. & BICKEL, D. J. & BROWN, J. W. & BUFFINGTON, M.', 1],
    ['Chen, Hong-Wei & Gao, Jian-Jun & Wen, Shuo-Yang', 21],
    ['Chen, Hong-Wei & Toda, Masanori J.', 1],
    ['Chen, Hong-Wei & Toda, Masanori J. & Lakim, Maklarin B.', 20],
    ['Chen, Hongwei & Máca, Jan', 11],
    ['Gornostaev, N. G. & Lyupina, Yu. V.', 1],
    ['He, Xiaofang & Gao, Jianjun & Cao, Huazhi & Zhang, Xiaolei', 11],
    ['Huang, Jia & Gong, Lu & Tsaur, Shun-Chern & Zhu, Lin', 49],
    ['Jens-H', 1],
    ['Lin Zhu & Ting Qin & Hongwei Chen', 4],
    ['Prigent, Stéphane & Chen, Hong-Wei', 10],
    ['Rampasso, Augusto Santos & O’Grady, Patrick Michael', 1],
    ['Toda, Masanori J. & Bänziger, Hans & Sati, Pradeep C.', 45],
    ['Zhu, Lin & Cao, Huiluo & Chen, Hongwei', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=183)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);