function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akhil, Mannar Kandy & Möller, Michael & Nampy, Santhosh', 1],
    ['Qiu, Zhi-Jing & Wang, Xiao-Ling & Liu, Zheng-Yu & Yang, Jian-Fen', 1],
    ['Qiu, Zhi-Jing & Zhang, Jun & Baskaran, Xavier-Ravi & Hu, Jin', 1],
    ['Tang, Sheng-Hu & Yang *, Jia-Wen & Li, Cong-Rui & Zhou, Qing', 1],
    ['Tang, Sheng-Hu & Zhang, Jian-Hua & Peng, Tao & Guo, Ying', 1],
    ['Xu, Jian & Li, Sa & Tang, Sheng-Hu & Ren, Qi-Fei', 2],
    ['Yang, Bin & Ding, Hong-Bo & Fu, Kai-Cong & Yuan, Yi-Kai', 2],
    ['Zhang, Qiang & Pan, Bo & Meng, Tao & Li, Guo-Feng & Xu, Wei-Bin', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=10)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);