function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Calabon, Mark S. & Jones, E. B. Gareth & Pang, Ka-Lai', 1],
    ['Chen, Ya-Ya & Dissanayake, Asha J. & Liu, Jian-Kui', 1],
    ['Li, Jin-Chen & Wu, Hai-Xia & Song, Jia-Yu', 3],
    ['Li, Wen-Li & Liang, Rui-Ru & Dissanayake, Asha J.', 13],
    ['Lin, Lu & Bai, Yukun & Pan, Meng & Tian, Chengming & Fan, Xinlei', 7],
    ['Ma, Xiao-Ya & Hyde, Kevin D. & Phillips, Alan J. L.', 2],
    ['Pereira, Diana S. & Phillips, Alan J. L.', 15],
    ['Piesik, Dariusz & Lemanczyk, Grzegorz & Bocianowski, Jan', 2],
    ['Rathnayaka, Achala R. & Chethana, K. W. Thilini', 5],
    ['Sun, Jing-E & Meng, Chao-Rong & Phillips, Alan J. L.', 2],
    ['Tibpromma, Saowaluck & Hyde, Kevin D. & Bhat, Jayarama D.', 4],
    ['Wang, Cheng-Bin & Yang, Jing & Li, Yong & Xue, Han', 2],
    ['Wijayawardene, Nalin N. & Dai, Dong-Qin & Premarathne, Bhagya M.', 6],
    ['Wu, Na & Dissanayake, Asha J. & Chethana, K. W. Thilini', 3],
    ['Zhang, Zhaoxue & Liu, Xiaoyong & Zhang, Xiuguo & Meng, Zhe', 3],
    ['Other (11)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=80)',
    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);