function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Assing, Volker', 48],
    ['Gao, Zhuo-Qun & Da, Wa & Hu, Jia-Yao', 10],
    ['Hu, Jia-Yao & Li, Li-Zhen & Zhao, Mei-Jun', 13],
    ['Hu, Jia-Yao & Li, Li-Zhen & Zhao, Yun-long', 4],
    ['Hu, Jia-Yao & Liu, Yi-Xiao & Li, Li-Zhen', 7],
    ['Hu, Jia-Yao & Luo, Yong-Ting & Li, Li-Zhen', 4],
    ['Hu, Jia-Yao & Pan, Zhao-Hui', 4],
    ['Hu, Jia-Yao & Qiao, Yu-Jia', 7],
    ['Hu, Jia-Yao & Tu, Yue-Ye & Li, Li-Zhen', 12],
    ['Hu, Jiayao & Li, Lizhen & Zhao, Meijun', 13],
    ['Li, Li-Zhen', 6],
    ['Lin, Xiao-Bin & Hu, Jia-Yao', 14],
    ['Lin, Xiao-Bin & Yu, De-Hui & Hu, Jia-Yao', 7],
    ['Ma, Wen-Jing & Miao, Zheng-Yi & Hu, Jia-Yao', 8],
    ['Su, Jing-Jing & Li, Xiao-Yan & Zhou, Hong-Zhang', 7],
    ['Other (9)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=184)',
    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);